1st: The larger draw backs is that the drivers side manifold has a large indentation in it for excessive clearance tolerances that is unnecessary. 2nd: the factory up-pipes are weak and prone to warping when sustained heat is prevalent.
FEATURES:
- Cast hi-sil moly iron high flow manifold construction
- Significant reduction in exhaust back pressure pressures
- Free flowing Stainless Steel Inner Liner Bellows
- Stainless Steel 11-gauge .120-inch wall diameter Up-Pipes
- Built in bosses, pre-drilled and tapped 1/8" NPT for EGT gauge sensor
- Substantial performance increase for upgraded turbo systems and/or nitrous injection
- Kit includes gasket kit and downpipe support bracket