These systems from Stainless Works replace the factory manifolds, cats and H-Pipe on 2011 Mustang 5.0 and weigh 41 less than the factory ones. The 3” 304 SS exhaust system includes four retro-style chambered mufflers with polished 4” SS slash-cut double wall conical tips that also mates up to the factory connection point.
Official Release:
Stainless Works introduces our new 304 SS CNC mandrel-bent headers and

3” dual exhaust for your new 2011 Mustang 5.0. Our long-tube headers are available with 1-7/8” diameter primaries with 3” dia. slip fit collectors with merge spikes. These headers can be mated with either high-flow metal matrix catted 3” leads or off road 3” lead pipes with an X-Pipe to fit the factory connection point. These systems replace the factory manifolds, cats and H-Pipe. We have a 3” X-Pipe to replace the factory H-pipe and an off-road 3” X-pipe that replaces the factory cats and H-Pipe. The 3” 304 SS exhaust system includes four retro-style chambered mufflers with polished 4” dia. SS slash cut double wall conical tips that also mates up to the factory connection point. This exhaust system is a full 41 pounds lighter than the factory system it replaces!
- 304 Stainless Steel
- 3-Inch Tubing
- Double WalL Conical Tips
- 41 lbs Weight Savings Compared To Stock System
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