15-23 WRX/STI

Part Number: AP3-AU-SUB-004 Simple ECU flashing with adjustable live gauges and datalogging, all in one package! The in-cabin mountable Accessport ...

Part Number: 745110 The Big SF Intake for the 2015+ Subaru WRX is constructed of full 3" aluminum tubing, a custom aluminum airbox, and a dual cone...

Part Number: 742110 The COBB Charge Pipe for the 2015-2020 Subaru WRX is constructed of 6061 aluminum tubing. An integrated billet transition smoot...

Part Number: 442605 The COBB Redline Carbon Fiber Engine bay for the 2015+ Subaru WRX is constructed of solid carbon fiber featuring a 2x2 twill we...

Part Number: 742100 The Redline Carbon Fiber Intake seamlessly blends elite performance and premium aesthetics to produce the ultimate intake for y...

Part Number: B42405-BK The COBB Top Mount Intercooler for the 2015-2021 Subaru WRX offers a significant increase in overall airflow as well as more...

Part Number: B42405-SL The COBB Top Mount Intercooler for the 2015-2021 Subaru WRX offers a significant increase in overall airflow as well as more...

Part Number: 7727.320 Eibach's anti-roll sway bar kits allow for the critical fine-tuning of your car's handling characteristics. These kits reduce...

Part Number: 126023.1 The long-awaited GrimmSpeed Bypass Valves are here! Our passion for building the most robust, best-performing parts on the ma...

Part Number: 007103 With the 2015 J-Pipe, the devil is truly in the details and the product development team here at GrimmSpeed has taken the time ...

Part Number: 057041 If you've been in the Subaru game for long, you're probably well aware that a 3-port Boost Control Solenoid (BCS) is considered...

Part Number: 113008 Over the years, GrimmSpeed has proven that our exhaust products are some of the highest-quality and best-performing in the indu...

Part Number: 096049 Do away with the flimsy, boring factory fabric shrouds and make your engine bay stand out with the BRAND NEW GrimmSpeed Fender ...

Part Number: 096048 Do away with the flimsy, boring factory fabric shrouds and make your engine bay stand out with the BRAND NEW GrimmSpeed Fender ...

Part Number: 040026 When it comes to wiring the Hella Horns that are mounted to your beautiful GrimmSpeed BroTie, we have you covered. After some t...

Part Number: 125023.1 Our post MAF hose construction improves on OE with 2 main features: First is the smooth inner surface, removing the pockets f...

Part Number: 125023.2 Our post MAF hose construction improves on OE with 2 main features: First is the smooth inner surface, removing the pockets f...

Part Number: 099040 Tired of being teased for your boring engine bay? Replace your stock TMIC with one that doesn't facilitate the use of the stock...

Part Number: 096039 At GrimmSpeed we pride ourselves in the design of our aesthetic pieces just as much as our performance parts. The brand new Gri...

Part Number: 096042 At GrimmSpeed we pride ourselves in the design of our aesthetic pieces just as much as our performance parts. The brand new Gri...

Part Number: 060060 Inspiration for the StealthBox Intake came from internal discussions about what we wanted from an intake system for the 2015+ W...

Part Number: 060067 Inspiration for the StealthBox Intake came from internal discussions about what we wanted from an intake system for the 2015+ W...

Part Number: 090070 Replace that undersized, plastic stock intercooler with a GrimmSpeed Top Mount Intercooler Kit, featuring cast aluminum end tan...

Part Number: HS15SWMDPO The Invidia Catless J-Pipe For 2015 - 17 Subaru WRX 6 Speed manual transmission is made from 3" mandrel bent polished stain...

Part Number: HS15SWMDOCB Reduce turbo lag and improve overall engine performance with the Invidia S304 Stainless Steel Catless Downpipe. Second to ...

Part Number: PSP-INT-325HP Increase horsepower and style under your hood. PERRIN Intake Systems use proper MAF alignment and plumbing size, both of...

Part Number: PSP-ENG-550BK Change the look of the engine bay on your WRX & STI with a set of PERRIN Fender Shrouds.

Part Number: PSP-ENG-550HP Change the look of the engine bay on your WRX & STI with a set of PERRIN Fender Shrouds.

Part Number: PSP-ENG-550NY Change the look of the engine bay on your WRX & STI with a set of PERRIN Fender Shrouds.

Part Number: PSP-ENG-550RD Change the look of the engine bay on your WRX & STI with a set of PERRIN Fender Shrouds.

Part Number: PSP-BDY-402BK Add an aggressive aesthetic and, in some applications, increase downforce with the PERRIN Gurney Flap.

Part Number: PSP-BDY-303 The PERRIN Bracket for Dual HELLA Horns is a step above competitors with its specific applications as well as its adjustab...

Part Number: PSP-ENG-165HP The PERRIN Engine Cover Kit replaces the OEM plastic engine cover, adding color and style to your engine bay.

Part Number: PSP-ENG-512HP The PERRIN Radiator Shroud caps the top of the radiator for a sleek, clean, and accented new look.

Part Number: PSP-ENG-512NY The PERRIN Radiator Shroud caps the top of the radiator for a sleek, clean, and accented new look.

Part Number: PSP-ENG-512RD The PERRIN Radiator Shroud caps the top of the radiator for a sleek, clean, and accented new look.

Part Number: PSP-INR-201 The PERRIN Short Shifter Adapter for 2015-2019 WRX shortens your shifter's throw by 30% without replacing or cutting the l...

Part Number: PSP-INR-016 Feel more connected to your car during each gear change with the PERRIN Brass Shifter Bushing.