GrimmSpeed Hood Scoop Splitter Subaru 2002-2003 WRX
GRIMMSPEED
The GrimmSpeed line of splitters increases the size of the opening by 70% to your larger TMIC. STI or aftermarket TMICs can increase your internal ...
View full detailsThe GrimmSpeed line of splitters increases the size of the opening by 70% to your larger TMIC. STI or aftermarket TMICs can increase your internal ...
View full detailsAdding an aftermarket Up Pipe is one of the first things you should do to your Subaru. Arguably one of the best $/HP ratios. Our goal was to make a...
View full detailsReal 10whp gains in 30min with no tuning. Design requirements for this intake were simple: The intake must not only be safe for the engine, but per...
View full detailsGrimmSpeed Stealthbox Cold Air Intake System Introduction Inspiration for the StealthBox Intake came from internal discussions about what we want...
View full detailsGrimmSpeed Stealthbox Cold Air Intake System Introduction Inspiration for the StealthBox Intake came from internal discussions about what we wa...
View full detailsSo, you probably already know that you want an intercooler with maximum cooling and minimum restriction, but when it comes to selecting the right ‘...
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