Dual Exhaust Kit 2-1/4” Black Tri-Y Headers/Street Flow Mufflers 289/302 Ford Mustang 1965-1970
Highlights
- Patriot Tri-Y Headers
- Street Flow Mufflers
- Aggressive Exhaust Tone
- Fits All Stock Transmissions
2-1/4” Dual Exhaust Kit with Black Tri-Y Headers and Street Flow Mufflers for 1965, 1966, 1967, 1968, 1969, and 1970 Ford Mustangs with 289 or 302 engines.
Upgrade your 1965-1970 Ford Mustang’s exhaust with this 2-1/4” Dual Exhaust Kit! Made to be a perfect match to your 289 or 302 engine, this kit comes equipped with everything you need to introduce the performance forward black Patriot Tri-Y headers and Street Flow Mufflers to your exhaust system. The Patriot Tri-Y headers will give your ride that distinct sound you’ve been looking for thanks to their miter cut and MIG welding. Included with these tough 18-gauge steel constructed headers are gaskets for the head and collector as well as reducers with 2-1/4” tubing. These headers also have the bonus of fitting all stock transmissions and clearing T5 transmissions.
Features and Benefits
- Patriot Tri-Y Headers
- 18-Gauge Steel & Black Painted
- Heat-Resistant
- Miter Cut & MIG Welded
- Adds a Moderate/Aggressive Exhaust Tone
- Comes W/Reducers for 2-1/4” Tubing & Gaskets
- Fits All Stock Transmissions & Clears T5 Transmissions
- (2) Street Flow Chamber Performance Mufflers
- 16-Gauge Aluminized Steel & Premium Silver Powder Coat
- Configured 2-1/4” Center in & 2-1/4” Offset Out
- Aluminized Exhaust Tubing
- Comes W/Necessary Hardware
Upon combining with the Patriot Tri-Y headers, the Street Flow chamber performance mufflers will give your car a vintage-style resonance. These mufflers have a 16-gauge aluminized steel construction and a premium silver powder coating that makes them both sturdy and heat resistant. Their 2-1/4” center-in and 2-1/4” offset-out configuration ensures these mufflers fit snugly into your exhaust system. All the rest of the exhaust tubing in this kit is made with a corrosion-resistant aluminized steel for a long-lasting fit that will push your Mustang’s performance to the limit.
Kit Includes:
- Black Painted Tri-Y Header
- H-Pipe
- Driver Side Intermediate Pipe
- Passenger Side Intermediate Pipe
- (2) 2-1/4” Street Flow Mufflers
- Driver Side Tailpipe
- Passenger Side Tailpipe
- (8) Exhaust Clamps
- (2) Exhaust Hanger
Additional Notes:
- This exhaust kit will not work with staggered shocks.
- This exhaust kit will not fit GT-40P heads or AOD transmission.
- If your 1965-1970 Mustang has power steering, you may need to purchase the slave cylinder lowering bracket (SCB) to clear the long tube headers.
- Small modifications may be necessary to the equalizer bar and clutch rods for clearance on manual transmission vehicles.
California Residents: Proposition 65 Warning
Related Categories: Mustang Parts, Mustang Exhaust, Mustang Dual Exhaust Kits
Only for use on pre-pollution controlled vehicles: This product can be used on vehicles that were manufactured before emissions control regulations were imposed. Pre-pollution vehicles are defined as:
- 1965 and older U.S. manufactured California certified vehicles
- 1967 and older U.S. manufactured federally certified vehicles













