Improve the sound and performance on your G8 with premium headers from Stainless Works. American-Made and designed for the 2008-09 Pontiac G8, these headers feature 2 primary tubes that are CNC mandrel bent to increase...
Roto-fab's 2008-9 G8 GT and GXP High Flow cold air intake system gives your G8 more air to accommodate your higher HP build. Custom tuning is required for this system. Failure to do so could...