MBRP 4" DOWN PIPE BACK ALUMINUM SINGLE EXHAUST ; 01-07 SILVERADO/SIERRA HD ; DOES NOT INCLUDE MUFFLER ; SINGLE SIDE EXIT
- Included For Vehicles Not Equipped With A Catalytic Converter
- Delivers A Rich mellow Exhaust Note
- Installs With Common Hand Tools
- Can Improve Fuel Economy By 1-2 MPG
- Boosts Torque And Horsepower
- Built To Perform
- Minimize Back Pressure
- Improved Throttle Response
- 2 Year Warranty
