14-UP GM 1500 4.3L V6 5.3L V8 3in Cat Back Cam & Crank Pulleys 50 Male Thread - Hex

50 Male Thread - Hex Head - Stainless - Natural - Each

Muffler - Flow FX - 3 in Offset Inlet - 3 in Center Outlet - 14 x 9 x 4 in Oval Body - 20 in Long - Stainless - Natural - Universal - Each

Exhaust System - American Thunder - Cat-Back - 3 in Diameter - Dual Side Exit - 3 in Polished Tips - Steel - Aluminized - GM Fullsize Truck 1999-2006 - Kit

5 in Long - Steel - Black Paint - Each

in order to re-map boost

14-UP GM 1500 4.3L V6 5.3L V8 3in Cat Back Cam & Crank Pulleys 50 Male Thread - HexExhaust System Installer Series Cat Back 3 in Diameter Stainless Tip Steel Aluminized GM V6 GM LS Series GM Fullsize Truck 2014 18 Kit