Description
This exhaust assembly fits the Honda Acty Truck HA3, HA4 (1990-1999). It carries exhaust gas from the engine out the back and quiets it.
In Stock - ships from our California (USA) warehouse
Fast, reliable delivery - no overseas backorder wait.
Vehicle Fitment & Compatibility
Confirm your chassis code against the table below before ordering.
100% Fitment Guarantee
Not sure about fit? Add your chassis/VIN number at checkout and we confirm it before we ship. If a part does not fit your Acty, we exchange it or refund you in full.
Signs you need this exhaust assembly
- A loud or blowing exhaust
- Rust holes or a rotted section
- A dragging or broken pipe or muffler
- A leak that drones in the cab
Features & Function
- Carries and quiets exhaust gas
- Correct fit for the Acty exhaust path
- Restores a sealed, quiet exhaust
Installation Specifications
- Difficulty: Moderate.
- Estimated time: about 1.5 to 2.5 hours.
- Required tools: A socket set, penetrating oil, and a jack and stands.
Oiwa Garage Tech Note
"Exhaust fasteners seize - soak them and expect a fight, and renew the gaskets and hangers as you go so the fresh exhaust seals and hangs right."
Frequently Asked Questions
How do I find an exhaust leak?
Listen for a loud or blowing note that changes with revs and feel along the pipe for escaping gas with the engine cold at idle. Rust holes and a rotted section are the usual causes.
Will a fresh exhaust quiet the drone?
If the noise is a blown pipe or a rotted joint, a new assembly with fresh gaskets brings back the stock, quiet note - a rattling heat shield is a separate fix.
Do I need new gaskets and hangers?
Renew the joint gaskets and rubber hangers when you fit the exhaust either way - they are cheap, and worn ones leak or let it rattle.
Fitment verified by the Kei truck specialists at Oiwa Garage · Listing updated June 2026.