Shock - 5100 Series Rear Intercoolers Exhaust System - American Thunder

Exhaust System - American Thunder - Header-Back - 3 in Diameter - Dual Rear Exit - Steel - Aluminized - GM F-Body 1967-69 - Kit

42 in OD - C2-R4 Valve - Digressive - Steel - Yellow Paint - Each

as the same custom 'X' that was used in that application is implemented on the new F8x chassis for that perfect mix of exotic undertones and raw aggression

The reduction in intake air results in an impressive 10 HP and 20 ft-lb of torque gain without any changes in the engine tune

Shock - 5100 Series Rear Intercoolers Exhaust System - American ThunderShock 5100 Series Monotube Steel Zinc Plated Rear GM Fullsize SUV Truck 1999 2010 Each