{"product_id":"honda-acty-air-filter-truck-van-ghostflow-performance","title":"Air Filter - Oiwa GhostFlow Performance - Honda Acty Truck \u0026 Van HH3, HH4, HA3, HA4 Models - 1990-1999","description":"\u003cdiv style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; color: #222; line-height: 1.6; max-width: 800px; margin: 0 auto; padding: 10px;\"\u003e\n\u003cdiv style=\"background-color: #f8f9fa; border-left: 5px solid #F60100; padding: 25px; margin-bottom: 30px; border-radius: 4px;\"\u003e\n\u003ch2 style=\"margin-top: 0; font-size: 24px; color: #111; line-height: 1.3; font-weight: 800; margin-bottom: 15px;\"\u003eThe Last Air Filter Your Acty Will Ever Need\u003c\/h2\u003e\n\u003cp style=\"font-size: 16px; margin-bottom: 25px; color: #333;\"\u003eBuilt specifically for the Honda Acty (HA3, HA4, HH3, HH4), GhostFlow drops into your stock airbox in five minutes with no tools. One filter, the whole life of the truck.\u003c\/p\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 15px;\"\u003e\n\u003cdiv style=\"flex: 1; min-width: 220px; background: #fff; border: 1px solid #eef0f2; border-left: 4px solid #2e7d32; padding: 12px 15px; border-radius: 4px;\"\u003e\u003cstrong style=\"display: block; font-size: 16px; color: #2e7d32;\"\u003e💨 Lower Restriction vs OEM\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 220px; background: #fff; border: 1px solid #eef0f2; border-left: 4px solid #F60100; padding: 12px 15px; border-radius: 4px;\"\u003e\u003cstrong style=\"display: block; font-size: 16px; color: #f60100;\"\u003e🔄 Reusable For Life\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 220px; background: #fff; border: 1px solid #eef0f2; border-left: 4px solid #111; padding: 12px 15px; border-radius: 4px;\"\u003e\u003cstrong style=\"display: block; font-size: 16px; color: #111;\"\u003e🇺🇸 Made in the USA\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 220px; background: #fff; border: 1px solid #eef0f2; border-left: 4px solid #111; padding: 12px 15px; border-radius: 4px;\"\u003e\u003cstrong style=\"display: block; font-size: 16px; color: #111;\"\u003e🔧 Drops Into Stock Airbox\u003c\/strong\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size: 14px; color: #555; margin: 0 0 5px;\"\u003eThe airflow claim here is backed by independent ISO 5011 lab data, published below.\u003c\/p\u003e\n\u003cp style=\"font-size: 11px; color: #999; margin: 0;\"\u003eIndependent ISO 5011 testing, SGS-IBR, May 2026. Full results below.\u003c\/p\u003e\n\u003ch3 style=\"font-size: 18px; margin-top: 25px; margin-bottom: 10px; font-weight: bold; color: #111;\"\u003eThe Filter That Pays For Itself\u003c\/h3\u003e\n\u003cp style=\"font-size: 16px; color: #333; margin-bottom: 20px;\"\u003eA Genuine Honda OEM filter costs $64.13 and gets thrown out every year, over $640 in the trash across your Acty's life. GhostFlow is the opposite. Clean it, reuse it, and it pays for itself in under two years.\u003c\/p\u003e\n\u003cdiv style=\"display: flex; gap: 16px; margin-bottom: 16px; flex-wrap: wrap;\"\u003e\n\u003cdiv style=\"flex: 1; min-width: 240px; background: #fff; padding: 20px; border-radius: 6px; border: 1px solid #e6e8eb; text-align: center;\"\u003e\n\u003cspan style=\"font-size: 11px; font-weight: 800; letter-spacing: 1px; text-transform: uppercase; color: #721c24; background: #f8d7da; padding: 4px 8px; border-radius: 3px; display: inline-block; margin-bottom: 12px;\"\u003eGenuine Honda OEM\u003c\/span\u003e\n\u003cdiv style=\"font-size: 36px; font-weight: 800; color: #333; line-height: 1; margin-bottom: 6px;\"\u003e~$640\u003c\/div\u003e\n\u003cspan style=\"font-size: 13px; color: #666; font-weight: bold; display: block;\"\u003eten filters, ten years, all in the landfill\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 240px; background: #fff; padding: 20px; border-radius: 6px; border: 2px solid #F60100; text-align: center;\"\u003e\n\u003cspan style=\"font-size: 11px; font-weight: 800; letter-spacing: 1px; text-transform: uppercase; color: #fff; background: #F60100; padding: 4px 8px; border-radius: 3px; display: inline-block; margin-bottom: 12px;\"\u003eGhostFlow\u003c\/span\u003e\n\u003cdiv style=\"font-size: 36px; font-weight: 800; color: #f60100; line-height: 1; margin-bottom: 6px;\"\u003e$119.99\u003c\/div\u003e\n\u003cspan style=\"font-size: 13px; color: #2e7d32; font-weight: bold; display: block;\"\u003eone filter. that's it.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size: 18px; font-weight: 800; color: #fff; margin: 0 0 14px; text-align: center; background: #2e7d32; padding: 16px; border-radius: 6px;\"\u003eYou save over $500, and skip a decade of landfill.\u003c\/p\u003e\n\u003cp style=\"font-size: 15px; font-weight: bold; color: #2e7d32; margin: 0; text-align: center;\"\u003e♻️ Buy it once. Clean it. Drive it forever.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center; margin-bottom: 35px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0549\/0137\/5200\/files\/ghostflow-honda-acty-truck-ha3-ha4-performance-air-filter.png?v=1780166019\" alt=\"GhostFlow Performance Air Filter held in front of a blue custom Honda Acty Kei Truck\" style=\"max-width: 100%; height: auto; border-radius: 6px; box-shadow: 0 4px 12px rgba(0,0,0,0.08);\"\u003e\u003c\/div\u003e\n\u003ch2 style=\"font-size: 22px; color: #111; border-bottom: 2px solid #eaeaea; padding-bottom: 8px; margin-top: 40px; font-weight: bold;\"\u003eWhy Acty Owners Are Upgrading\u003c\/h2\u003e\n\u003cp\u003eThe Honda Acty was engineered in 1990 for Japanese delivery routes. The factory filter was chosen to balance filtration, durability, and parts cost. Like any dense paper element, it trades airflow for low-cost filtration. For three decades that paper filter has been the bottleneck no one in the Acty aftermarket bothered to address.\u003c\/p\u003e\n\u003cp\u003eGhostFlow replaces it with a high-flow pleated cotton-gauze element sized to the actual HA3, HA4, HH3, and HH4 airbox geometry. Lower airflow restriction than the factory paper element, verified by independent ISO 5011 lab testing. Reusable, and built specifically for the platform.\u003c\/p\u003e\n\u003cdiv style=\"text-align: center; margin: 30px 0;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0549\/0137\/5200\/files\/ghostflow-vs-oem-honda-acty-air-filter-17220-pz3-505-comparison.png?v=1780166020\" alt=\"GhostFlow custom filter compared side by side with OEM yellow Honda factory filter\" style=\"max-width: 100%; height: auto; border-radius: 6px; box-shadow: 0 4px 12px rgba(0,0,0,0.08);\"\u003e\u003c\/div\u003e\n\u003ch2 style=\"font-size: 22px; color: #111; border-bottom: 2px solid #eaeaea; padding-bottom: 8px; margin-top: 40px; font-weight: bold;\"\u003eConfirmed Fitment\u003c\/h2\u003e\n\u003cp\u003eGhostFlow fits every third-generation Honda Acty Truck and Van chassis built for the Japanese domestic market between 1990 and 1999, all powered by the E07A 656cc three-cylinder engine. One filter, the entire third-generation production run.\u003c\/p\u003e\n\u003cul style=\"padding-left: 20px; margin-bottom: 15px; line-height: 1.8;\"\u003e\n\u003cli\u003eHonda Acty Truck HA3 (1990-1999, E07A engine, 2WD)\u003c\/li\u003e\n\u003cli\u003eHonda Acty Truck HA4 (1990-1999, E07A engine, 4WD)\u003c\/li\u003e\n\u003cli\u003eHonda Acty Van HH3 (1990-1999, E07A engine, 2WD)\u003c\/li\u003e\n\u003cli\u003eHonda Acty Van HH4 (1990-1999, E07A engine, 4WD)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"background-color: #f1f3f5; padding: 10px 15px; border-radius: 4px; display: inline-block; font-weight: bold; font-size: 14px;\"\u003e🎯 Direct replacement for Honda OEM part number: 17220-PZ3-505.\u003c\/p\u003e\n\u003ch2 style=\"font-size: 22px; color: #111; border-bottom: 2px solid #eaeaea; padding-bottom: 8px; font-weight: bold;\"\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul style=\"padding-left: 20px; margin-bottom: 30px; line-height: 1.8;\"\u003e\n\u003cli\u003eOne GhostFlow Performance Air Filter (pre-oiled, ready to install)\u003c\/li\u003e\n\u003cli\u003eGhostFlow threaded adapter stud and multi-layer sealing washer\u003c\/li\u003e\n\u003cli\u003eCleaning and re-oiling instructions\u003c\/li\u003e\n\u003cli\u003eOiwa Garage sticker\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: center; margin: 30px 0;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0549\/0137\/5200\/files\/honda-acty-camper-van-ghostflow-cotton-gauze-air-filter.jpg?v=1780166018\" alt=\"GhostFlow performance air filter held inside a built-out Honda Acty camper van interior\" style=\"max-width: 100%; height: auto; border-radius: 6px; box-shadow: 0 4px 12px rgba(0,0,0,0.08);\"\u003e\u003c\/div\u003e\n\u003ch2 style=\"font-size: 22px; color: #111; border-bottom: 2px solid #eaeaea; padding-bottom: 8px; margin-top: 40px; font-weight: bold;\"\u003eInstallation\u003c\/h2\u003e\n\u003cp style=\"font-size: 18px; font-weight: bold; color: #111; margin-bottom: 4px;\"\u003eNo mechanic needed.\u003c\/p\u003e\n\u003cp\u003eFirst time working on your Acty? You've got this. No tools, no cutting, no tuning. Five minutes, start to finish.\u003c\/p\u003e\n\u003cdiv style=\"background-color: #f8f9fa; border-left: 3px solid #F60100; padding: 12px 15px; margin-bottom: 20px; font-size: 14px; border-radius: 0 4px 4px 0; color: #333;\"\u003e📺 \u003cstrong\u003eWatch the Install Video:\u003c\/strong\u003e \u003ca href=\"https:\/\/youtube.com\/shorts\/O98kFHzdjyY?si=SuFFJ2a1W9tUetqt\" title=\"Ghost Flow Performance Air Filter Install On Honda Acty Acty Truck and Van 199-1999 HA3, HA4, HH3, HH4\"\u003eWatch \u003c\/a\u003eexactly how it drops into the airbox.\u003c\/div\u003e\n\u003col style=\"padding-left: 20px; margin-bottom: 20px; line-height: 1.8;\"\u003e\n\u003cli style=\"margin-bottom: 4px;\"\u003eUnclip the airbox.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 4px;\"\u003eLift out the old paper filter.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 4px;\"\u003eThread the GhostFlow adapter stud onto the factory center post until snug.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 4px;\"\u003eDrop the GhostFlow filter onto the stud.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 4px;\"\u003eAdd the sealing washer and hand-tighten the wingnut until airtight.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 4px;\"\u003eClose the lid, snap the clips, and drive.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cdiv style=\"text-align: center; margin: 30px 0;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0549\/0137\/5200\/files\/ghostflow-air-filter-installed-honda-acty-airbox-e07a-engine.jpg?v=1780166018\" alt=\"GhostFlow custom filter installed snugly with wingnut in an operational Honda Acty engine bay airbox housing\" style=\"max-width: 100%; height: auto; border-radius: 6px; box-shadow: 0 4px 12px rgba(0,0,0,0.08);\"\u003e\u003c\/div\u003e\n\u003ch2 style=\"font-size: 22px; color: #111; border-bottom: 2px solid #eaeaea; padding-bottom: 8px; margin-top: 40px; font-weight: bold;\"\u003eWhat Acty Owners Are Saying\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; gap: 16px; flex-wrap: wrap; margin-top: 20px; margin-bottom: 35px;\"\u003e\n\u003cdiv style=\"flex: 1; min-width: 240px; background: #fff; border: 1px solid #eef0f2; border-radius: 6px; padding: 20px; box-shadow: 0 2px 8px rgba(0,0,0,0.03);\"\u003e\n\u003cdiv style=\"color: #f5a623; font-size: 15px; letter-spacing: 2px; margin-bottom: 8px;\"\u003e★★★★★\u003c\/div\u003e\n\u003cp style=\"margin: 0 0 12px; font-size: 15px; color: #333;\"\u003e\"Literally took 3 minutes to install. Fit perfect in my 1994 and 1999 Acty's. Quality is great and I love that I can clean and reuse it. 10\/10 would recommend.\"\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px; font-weight: bold; color: #111;\"\u003eZach Z. \u003cspan style=\"color: #2e7d32; font-weight: 600;\"\u003e✓ Verified Buyer\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 240px; background: #fff; border: 1px solid #eef0f2; border-radius: 6px; padding: 20px; box-shadow: 0 2px 8px rgba(0,0,0,0.03);\"\u003e\n\u003cdiv style=\"color: #f5a623; font-size: 15px; letter-spacing: 2px; margin-bottom: 8px;\"\u003e★★★★★\u003c\/div\u003e\n\u003cp style=\"margin: 0 0 12px; font-size: 15px; color: #333;\"\u003e\"The quality is unmatched! Won't use anything other than this. Worth the investment because you can reuse it. With prices getting higher to ship parts overseas, this is a great US-made alternative to the stock paper filter.\"\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px; font-weight: bold; color: #111;\"\u003eHayden H. \u003cspan style=\"color: #2e7d32; font-weight: 600;\"\u003e✓ Verified Buyer\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 240px; background: #fff; border: 1px solid #eef0f2; border-radius: 6px; padding: 20px; box-shadow: 0 2px 8px rgba(0,0,0,0.03);\"\u003e\n\u003cdiv style=\"color: #f5a623; font-size: 15px; letter-spacing: 2px; margin-bottom: 8px;\"\u003e★★★★★\u003c\/div\u003e\n\u003cp style=\"margin: 0 0 12px; font-size: 15px; color: #333;\"\u003e\"Installed this on our 1999 Honda Acty that we built into a micro cafe on wheels. The install was super straightforward and the fitment was perfect. Great quality piece.\"\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px; font-weight: bold; color: #111;\"\u003eMichael S. \u003cspan style=\"color: #2e7d32; font-weight: 600;\"\u003e✓ Verified Buyer\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"font-size: 22px; color: #111; border-bottom: 2px solid #eaeaea; padding-bottom: 8px; margin-top: 40px; font-weight: bold;\"\u003eIndependent ISO 5011 Airflow Results\u003c\/h2\u003e\n\u003cp\u003eA less restrictive air filter lets the engine draw air more easily. During independent ISO 5011 laboratory testing at SGS-IBR, GhostFlow measured lower airflow restriction (net differential pressure drop) than the factory paper filter at every airflow point we tested.\u003c\/p\u003e\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 15px; border: 1px solid #eee; border-radius: 4px;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; table-layout: fixed; min-width: 340px; font-size: 13px; text-align: center;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #111; color: white;\"\u003e\n\u003cth style=\"padding: 10px 4px; width: 18%; font-weight: 600;\"\u003eSCFM\u003c\/th\u003e\n\u003cth style=\"padding: 10px 4px; width: 26%; font-weight: 600; background-color: #f60100;\"\u003eGhostFlow\u003c\/th\u003e\n\u003cth style=\"padding: 10px 4px; width: 26%; font-weight: 600;\"\u003eOEM Honda\u003c\/th\u003e\n\u003cth style=\"padding: 10px 4px; width: 30%; font-weight: 600; color: #2e7d32; background-color: #e8f5e9;\"\u003eDelta\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 4px; border-bottom: 1px solid #eee; font-weight: bold; color: #666;\"\u003e10\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 4px; border-bottom: 1px solid #eee; color: #444;\"\u003e0.01\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 4px; border-bottom: 1px solid #eee; color: #444;\"\u003e0.01\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 4px; border-bottom: 1px solid #eee; color: #666; font-size: 11px;\"\u003eTied\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fffdf3;\"\u003e\n\u003ctd style=\"padding: 10px 4px; border-bottom: 1px solid #eee; font-weight: bold; color: #111;\"\u003e20\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 4px; border-bottom: 1px solid #eee; font-weight: bold; color: #f60100;\"\u003e0.02\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 4px; border-bottom: 1px solid #eee; color: #444;\"\u003e0.03\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 4px; border-bottom: 1px solid #eee; font-weight: bold; color: #2e7d32; background-color: #e8f5e9;\"\u003e-33%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fffdf3;\"\u003e\n\u003ctd style=\"padding: 10px 4px; border-bottom: 1px solid #eee; font-weight: bold; color: #111;\"\u003e30\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 4px; border-bottom: 1px solid #eee; font-weight: bold; color: #f60100;\"\u003e0.04\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 4px; border-bottom: 1px solid #eee; color: #444;\"\u003e0.05\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 4px; border-bottom: 1px solid #eee; font-weight: bold; color: #2e7d32; background-color: #e8f5e9;\"\u003e-20%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fffdf3;\"\u003e\n\u003ctd style=\"padding: 10px 4px; border-bottom: 1px solid #eee; font-weight: bold; color: #111;\"\u003e40\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 4px; border-bottom: 1px solid #eee; font-weight: bold; color: #f60100;\"\u003e0.07\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 4px; border-bottom: 1px solid #eee; color: #444;\"\u003e0.09\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 4px; border-bottom: 1px solid #eee; font-weight: bold; color: #2e7d32; background-color: #e8f5e9;\"\u003e-22%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fffdf3;\"\u003e\n\u003ctd style=\"padding: 10px 4px; border-bottom: 1px solid #eee; font-weight: bold; color: #111;\"\u003e50\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 4px; border-bottom: 1px solid #eee; font-weight: bold; color: #f60100;\"\u003e0.11\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 4px; border-bottom: 1px solid #eee; color: #444;\"\u003e0.12\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 4px; border-bottom: 1px solid #eee; font-weight: bold; color: #2e7d32; background-color: #e8f5e9;\"\u003e-8%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #fffdf3; border: 1px solid #e6dbb9; padding: 15px; border-radius: 4px; margin-bottom: 20px; font-size: 14px; color: #444;\"\u003e\n\u003cstrong style=\"display: block; font-size: 15px; color: #111; margin-bottom: 8px;\"\u003e💡 What is SCFM?\u003c\/strong\u003e \u003cspan style=\"display: block; margin-bottom: 10px;\"\u003eSCFM (Standard Cubic Feet per Minute) is the volume of air moving through the filter. Here is what each tested point represents and the measured difference in restriction:\u003c\/span\u003e\n\u003cul style=\"padding-left: 18px; margin: 0; line-height: 1.5;\"\u003e\n\u003cli style=\"margin-bottom: 6px;\"\u003e\n\u003cstrong\u003e20 SCFM (light cruising):\u003c\/strong\u003e GhostFlow measured about 33% lower restriction than the OEM paper filter.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 6px;\"\u003e\n\u003cstrong\u003e30 SCFM (gentle acceleration):\u003c\/strong\u003e About 20% lower.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 6px;\"\u003e\n\u003cstrong\u003e40 SCFM (harder acceleration or inclines):\u003c\/strong\u003e About 22% lower.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 0;\"\u003e\n\u003cstrong\u003e50 SCFM (near peak airflow demand):\u003c\/strong\u003e About 8% lower, where the two filters move closest together.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size: 14px; color: #555; margin-bottom: 35px;\"\u003eStraight talk: lower restriction is one input into how freely an engine breathes. On a small carbureted engine like the E07A, the real-world difference is modest, which is why we point to the lab data and the fact that the filter is reusable, rather than big horsepower claims. The honest reason to run GhostFlow is that it flows measurably better than a worn paper element, it is built for your truck, and you only buy it once.\u003c\/p\u003e\n\u003cdiv style=\"text-align: center; margin-bottom: 20px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0549\/0137\/5200\/files\/ghostflow-performance-air-filter-honda-acty-van-hh3-hh4.jpg?v=1780166018\" alt=\"GhostFlow filter sitting clean on a grey textured Honda Acty dashboard cockpit\" style=\"max-width: 100%; height: auto; border-radius: 6px; box-shadow: 0 4px 12px rgba(0,0,0,0.08);\"\u003e\u003c\/div\u003e\n\u003ch2 style=\"font-size: 22px; color: #111; border-bottom: 2px solid #eaeaea; padding-bottom: 8px; margin-top: 40px; font-weight: bold;\"\u003eSpecifications\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 30px;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold; width: 35%; background-color: #f9f9f9;\"\u003eVehicle fitment\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eHonda Acty HA3, HA4, HH3, HH4 (1990-1999)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold; background-color: #f9f9f9;\"\u003eEngine\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eHonda E07A 656cc 3-cylinder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold; background-color: #f9f9f9;\"\u003eOEM replacement for\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e17220-PZ3-505\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold; background-color: #f9f9f9;\"\u003eFilter media\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eHigh-flow pleated cotton-gauze\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold; background-color: #f9f9f9;\"\u003eEnd cap material\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eEPDM rubber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold; background-color: #f9f9f9;\"\u003eInstallation type\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eDrop-in airbox replacement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold; background-color: #f9f9f9;\"\u003eInstall time\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eApproximately 5 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold; background-color: #f9f9f9;\"\u003eTools required\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold; background-color: #f9f9f9;\"\u003eManufactured in\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold; background-color: #f9f9f9;\"\u003eFinal inspection\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eLong Beach, CA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold; background-color: #f9f9f9;\"\u003eVerified by\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eISO 5011 (SGS-IBR), May 2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold; background-color: #f9f9f9;\"\u003eService interval\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eInspect annually, clean as needed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"font-size: 22px; color: #111; border-bottom: 2px solid #eaeaea; padding-bottom: 8px; margin-top: 40px; font-weight: bold;\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom: 25px;\"\u003e\n\u003ch4 style=\"margin: 0 0 6px 0; font-size: 16px; color: #111; font-weight: bold;\"\u003eWill GhostFlow fit my Honda Acty?\u003c\/h4\u003e\n\u003cp style=\"margin: 0; color: #444;\"\u003eIf your Acty is a 1990 to 1999 Honda Acty with a chassis code starting in HA3, HA4, HH3, or HH4, yes. GhostFlow is a direct OEM replacement for part number 17220-PZ3-505.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 25px;\"\u003e\n\u003ch4 style=\"margin: 0 0 6px 0; font-size: 16px; color: #111; font-weight: bold;\"\u003eWill I need to re-jet or re-tune my carburetor?\u003c\/h4\u003e\n\u003cp style=\"margin: 0; color: #444;\"\u003eNo. The variable-venturi PGM-CARB on the E07A self-adjusts within the airflow range GhostFlow operates in, so there is no re-jetting or tuning required. Drop the filter in, close the airbox, drive.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 25px;\"\u003e\n\u003ch4 style=\"margin: 0 0 6px 0; font-size: 16px; color: #111; font-weight: bold;\"\u003eIs GhostFlow pre-oiled?\u003c\/h4\u003e\n\u003cp style=\"margin: 0; color: #444;\"\u003eYes. GhostFlow ships pre-oiled and ready to install straight from the box. No prep, no spraying, no waiting. When it comes time to clean the filter, you will need to re-oil the media with a standard cotton-gauze filter oil before re-installing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 25px;\"\u003e\n\u003ch4 style=\"margin: 0 0 6px 0; font-size: 16px; color: #111; font-weight: bold;\"\u003eHow long does GhostFlow last?\u003c\/h4\u003e\n\u003cp style=\"margin: 0; color: #444;\"\u003eService interval depends on your driving conditions. Inspect at every oil change, clean and re-oil at minimum once a year. The filter media is built to last the life of the vehicle.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 25px;\"\u003e\n\u003ch4 style=\"margin: 0 0 6px 0; font-size: 16px; color: #111; font-weight: bold;\"\u003eDoes GhostFlow fit the Acty Van the same as the truck?\u003c\/h4\u003e\n\u003cp style=\"margin: 0; color: #444;\"\u003eYes. The Honda Acty Van HH3 and HH4 share the identical E07A engine, intake manifold, and airbox assembly as the HA3 and HA4 truck. The filter fits and performs identically across all four chassis.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 25px;\"\u003e\n\u003ch4 style=\"margin: 0 0 6px 0; font-size: 16px; color: #111; font-weight: bold;\"\u003eCotton-gauze filters filter worse than paper. Is this really safe for my engine?\u003c\/h4\u003e\n\u003cp style=\"margin: 0; color: #444;\"\u003eHonest answer: cotton-gauze media historically tests 1 to 3 efficiency points below paper across the aftermarket category. That is the trade-off cotton-gauze makes in exchange for higher airflow. \u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 35px;\"\u003e\n\u003ch4 style=\"margin: 0 0 6px 0; font-size: 16px; color: #111; font-weight: bold;\"\u003eHow does this compare to K\u0026amp;N or other cotton-gauze brands?\u003c\/h4\u003e\n\u003cp style=\"margin: 0; color: #444;\"\u003eK\u0026amp;N and most major cotton-gauze brands do not produce a filter sized to the Honda Acty airbox. Owners who have tried adapting universal filters have run into fitment issues, sealing problems, or required airbox modifications. GhostFlow is the first cotton-gauze element built specifically for the HA3, HA4, HH3, and HH4 airbox geometry. Drop-in fit, no compromises.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 35px;\"\u003e\n\u003ch4 style=\"margin: 0 0 6px 0; font-size: 16px; color: #111; font-weight: bold;\"\u003eWhere do you ship?\u003c\/h4\u003e\n\u003cp style=\"margin: 0; color: #444;\"\u003eDomestic US shipping ships from Long Beach within 2 business days. International shipping available at checkout.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #111; color: white; padding: 30px; text-align: center; border-radius: 6px; margin-top: 40px;\"\u003e\n\u003ch3 style=\"margin-top: 0; font-size: 20px; letter-spacing: 0.5px; font-weight: bold; color: #fff;\"\u003eFOUNDER PRODUCTION RUN ACTIVE\u003c\/h3\u003e\n\u003cp style=\"color: #ccc; font-size: 15px; max-width: 580px; margin: 0 auto 20px; line-height: 1.5;\"\u003eLimited to \u003cstrong\u003e200 units\u003c\/strong\u003e in the first production run at founder pricing of \u003cspan style=\"color: #fff; font-weight: bold; font-size: 17px;\"\u003e$119.99\u003c\/span\u003e. Price increases to $139.99 once the founder allocation sells out. The next production batch is not yet scheduled.\u003c\/p\u003e\n\u003cdiv style=\"font-size: 12px; font-weight: 600; color: #888; text-transform: uppercase; letter-spacing: 1.5px;\"\u003eDesigned in Long Beach • Made in the USA • Built for the Honda Acty\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Oiwa Garage","offers":[{"title":"Default Title","offer_id":52661036220640,"sku":"Oiwa-17220-pz3-505","price":119.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/0137\/5200\/files\/01-air-filter-oiwa-ghostflow-performance-honda-acty-hh3-hh4-1990-1999-17220-pz3-505-01-black-end-cap-red-pleated-media-angle-view_5b4c0f0d-1e62-4868-8333-f542234597b4.jpg?v=1778522937","url":"https:\/\/oiwagarage.co\/products\/honda-acty-air-filter-truck-van-ghostflow-performance","provider":"Oiwa Garage","version":"1.0","type":"link"}