DIESEL EXH.SYS. 01-07 GM HD Flexplates and Parts " part number 431027

part number 431027

Also Replaces: 13384371

and crank the track bar by hand until the axle is perfectly centered

Reduces crankcase oil vapor that contaminates the intake system

will improve fuel economy and increase power by 100 RWHP over stock

DIESEL EXH.SYS. 01-07 GM HD Flexplates and Parts " part number 431027MBRP 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