GrimmSpeed TMIC Splitter - Subaru 04-05 WRX Scoop (093075) _JWL Nail Shift Points And Improve

Nail Shift Points And Improve Launch Consistency

This SwitchFire X-Pipe assembly is designed to replace the OE resonator only

This version is known to get (really) rowdy in mid-range acceleration and deceleration and may be too much for many

AI4-XTG4 kit features an Xtreme pressure plate for the most demanding driver

GrimmSpeed TMIC Splitter - Subaru 04-05 WRX Scoop (093075) _JWL Nail Shift Points And ImproveTired of popping your hood only to have that ugly OEM Splitter remind you of how badly it deprives your fancy TMIC of the cool, ambient air that it requires Perhaps youve upgraded to an STI scoop and want to really make use of that extra air Maybe youve already got an STI splitter but want to squeeze every ounce of performance out of your top mount. After frustrations with this and more, the GrimmSpeed team has the real solution. Well, five real