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GrimmSpeed
£1,929.53 070033GrimmSpeed Resonated Catback Exhaust System Subaru WRX STI Sedan 2011+With so many catback options available, our goal was to create a unique, refined sound in an extremely high quality system. We've been casually referring to it as the...
£51.58 113022GrimmSpeed Slotted J-Pipe/Turbo Bracket Subaru WRX 2015-2021A Cheap Solution for a Costly Problem. With the way the turbocharger is mounted off the bottom of an FA20 engine, the weight of the turbo and exhaust components like the j-pipe...
£1,321.18 113026GrimmSpeed Unequal Length Exhaust Header Subaru STI 2004-2021Classic Subaru Sound with Unparalleled Performance.
£1,188.93 113008GrimmSpeed Equal Length Exhaust Header Subaru WRX 2015+Over the years, GrimmSpeed has proven that our exhaust products are some of the highest-quality and best-performing in the industry because of the detail oriented approached...
£64.80 007008GrimmSpeed J-Pipe Hardware Kit Subaru WRX 15-16The turbo studs on the FA turbo motors are notoriously difficult to deal with. If you're lucky enough to get the nuts off without drama originally, be sure to replace them with...
£75.38 077046GrimmSpeed Subaru OEM DP to 3inch Catback AdapterExhaust leaks seem to be an all-too-common issue with most modded Subarus. They tend to spring up out of nowhere and cause hours of troubleshooting headaches. The most...
£92.58 008008GrimmSpeed External Wastegate Block-Off Plate 44|45mm V-bandEWG Block-Off Plate 44|45mm V-band. A full External Wastegate (EWG) set-up consists of a EWG up-pipe and a wastegate. The EWG set-up creates better turbo spool because it can...
£92.58 008007GrimmSpeed External Wastegate Block-Off Plate 38|40mm V-bandEWG Block-Off Plate 38|40mm V-band. A full External Wastegate (EWG) set-up consists of a EWG up-pipe and a wastegate. The EWG set-up creates better turbo spool because it can...
£75.38 077044GrimmSpeed 3inch DP to OEM midpipe adaptor kitExhaust leaks seem to be an all-too-common issue with most modded Subarus. They tend to spring up out of nowhere and cause hours of troubleshooting headaches. The most...
£78.03 092009GrimmSpeed V2 GESI Catted J-Pipe Heat Shield Subaru WRX 2015-2021The factory FA20 J-Pipe has heat shielding built onto the pipe to keep exhaust heat away from nearby critical components like the water pump, lower radiator hose and serpentine...
£130.93 092008GrimmSpeed V2 GESI Catted J-Pipe Heat Shield Subaru WRX 2015-2021The factory FA20 J-Pipe has heat shielding built onto the pipe to keep exhaust heat away from nearby critical components like the water pump, lower radiator hose and serpentine...
£104.48 092007GrimmSpeed V2 GESI Catted J-Pipe Heat Shield Subaru WRX 2015-2021The factory FA20 J-Pipe has heat shielding built onto the pipe to keep exhaust heat away from nearby critical components like the water pump, lower radiator hose and serpentine...
£51.58 010019GrimmSpeed Adjustable Wastegate(IWG) BracketAdjustable Wastegate(IWG) Bracket. The internal wastegate(IWG) bracket is used in place of the stock wastegate actuator when moving to an external wastegate setup. In previous...
£46.29 082001GrimmSpeed Turbo Wastegate Bracket VF Series TurboTurbo Wastegate Bracket VF Series LGT turbo. The internal wastegate(IWG) bracket is used in place of the stock wastegate actuator when moving to an external wastegate setup. In...
£46.29 010001GrimmSpeed Turbo Wastegate Bracket VF Series TurbosTurbo Wastegate Bracket VF Series Turbos. The internal wastegate(IWG) bracket is used in place of the stock wastegate actuator when moving to an external wastegate setup. In the...
£408.65 003002GrimmSpeed Up Pipe with Black Ceramic Coating Subaru Baja 03-06Adding 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 premium heavy duty Up Pipe...
£38.35 007005GrimmSpeed Up-Pipe (2-Bolt) Hardware KitThis is the same high-quality hardware kit we include with all GrimmSpeed Up-Pipes. We've made them available for purchase separately in case you damaged or misplaced your...
£355.75 002002GrimmSpeed HiFlow Exhaust Manifold Crosspipe with Black Ceramic Coating WRX 06-07Up until now all of you 06-07 WRx guys have been unable to swap in a higher flowing exhaust manifold crosspipe because Subaru decided to change up the design in those years....
£304.18 002001GrimmSpeed HiFlow Exhaust Manifold Crosspipe WRX 06-07Up until now all of you 06-07 WRx guys have been unable to swap in a higher flowing exhaust manifold crosspipe because Subaru decided to change up the design in those years....
£355.75 001002GrimmSpeed HiFlow Exhaust Manifold Crosspipe with Black Ceramic Coating WRX 02-05Subaru supplies its turbo owners with a tiny little crosspipe from the factory. 50% of your exhaust gasses are passing through this tiny pipe and, well, that s just a problem....
£304.18 001001GrimmSpeed HiFlow Exhaust Manifold Crosspipe WRX 02-14Subaru supplies its turbo owners with a tiny little crosspipe from the factory. 50% of your exhaust gasses are passing through this tiny pipe and, well, that s just a problem....
£1,453.43 113012GrimmSpeed Downpipe Catted Subaru WRX/STI Subaru Legacy GT V2 GESI 2005-2015The idea of upgrading an already-solid product like the GrimmSpeed V1 Downpipe was a massive challenge, but by allowing its Engineering Team to focus meticulously on the...
£1,453.43 113010GrimmSpeed Downpipe Catted Subaru WRX/STI Subaru Forester XT V2 GESI 2002-2008The idea of upgrading an already-solid product like the GrimmSpeed V1 Downpipe was a massive challenge, but by allowing its Engineering Team to focus meticulously on the...
£145.48 405329GrimmSpeed Red Radiator Hose Kit Subaru WRX STI Impreza 2002-2007Your Subaru's cooling system is only as good as its weakest link, commonly that's the old, dry-rotted OEM coolant hoses. As your Subaru ages and the integrity of those hoses...