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GrimmSpeed Turbo to Downpipe Gasket - Multiple Subaru Fitments (EJ Models)

$19.00
028001
All Best selling products Commerceinstruments Best Selling Products Exhausts Grimmspeed New products
GrimmSpeed OEM Style Gasket, OEM quality without the high OEM price. At GrimmSpeed we have worked with endless amounts of aftermarket gaskets, none seem to...

GrimmSpeed Catted J-Pipe 3" - Subaru WRX 2015-2020 (6MT)

$829.00
007103
All Best selling products Commerceinstruments Best Selling Products Downpipes Grimmspeed New products
With the 2015 J-Pipe, the devil is truly in the details and the product development team here at GrimmSpeed has taken the time necessary...

Grimmspeed Electronic Boost Control Solenoid 3-PORT - Subaru STI 2008-2020

$129.00
057007
All Best selling products Boost Control Solenoids Commerceinstruments Best Selling Products Electronics Forced Induction Grimmspeed New products
The GrimmSpeed Electronic Boost Control Solenoid is designed to work with your factory computer (requires tuning). It will not reduce the life of your...

GrimmSpeed Downpipe to Catback 3" 2-Bolt Gasket

$22.00
022001
All Best selling products Commerceinstruments Best Selling Products Exhausts Grimmspeed New products
GrimmSpeed Universal 3 inch 2 Bolt Exhaust Gasket 7-layer 22% thicker then OEM

GrimmSpeed Electronic 3-Port Boost Control Solenoid Kit - Subaru WRX FA20 2015-2020

$169.00
057041
All Best selling products Boost Control Solenoids Commerceinstruments Best Selling Products Electronics Forced Induction Grimmspeed New products
The GrimmSpeed Electronic Boost Control Solenoid is designed to work with your factory computer (requires tuning). It will not reduce the life of your...

GrimmSpeed 3-Port Electronic Boost Control Solenoid - Subaru WRX 2008-2014 / Legacy GT 2005-2009

$129.00
057032
All Best selling products Boost Control Solenoids Commerceinstruments Best Selling Products Electronics Forced Induction Grimmspeed New products
The GrimmSpeed Electronic Boost Control Solenoid is designed to work with your factory computer (requires tuning). It will not reduce the life of your...

GrimmSpeed Aluminum Turbo Inlet - Subaru WRX 2015-2021

$199.00
125027
All Best selling products Commerceinstruments Best Selling Products Grimmspeed New products
Item is frequently sold out, please contact us for lead time before ordering. One of the biggest complaints from 2015-21 WRX owners has to...

GrimmSpeed Exhaust Manifold to Up Pipe Gasket - 1993+ Subaru Turbo Models

$13.00
026001
All Best selling products Commerceinstruments Best Selling Products Exhausts Grimmspeed New products
GrimmSpeed™ OEM Style Gasket, OEM quality without the high OEM price.At GrimmSpeed™ we have worked with endless amounts of aftermarket gaskets, none seem to...

Grimmspeed Bypass Valve - Subaru STi 2004-2021

$229.00
126024.1
All Best selling products Blow Off Valves & Accessories Commerceinstruments Best Selling Products Forced Induction Grimmspeed New products
The days of sacrificing performance to leaky BPVs are over, because the long-awaited GrimmSpeed Bypass Valves are here! The long-awaited GrimmSpeed Bypass Valves are here! Our...

GrimmSpeed Up pipe to Turbo Gasket - Multiple Subaru Fitments

$16.00
024001
All Best selling products Commerceinstruments Best Selling Products Exhausts Gaskets & Miscellaneous Grimmspeed New products
GrimmSpeed™ OEM Style Gasket, OEM quality without the high OEM price.At GrimmSpeed™ we have worked with endless amounts of aftermarket gaskets, none seem to...

Grimmspeed Head to Exhaust Manifold Dual Port Collectors Gasket (Pair) - Multiple Subaru Fitments

$22.00
020001
All Best selling products Commerceinstruments Best Selling Products Exhausts Gaskets & Miscellaneous Grimmspeed New products
At GrimmSpeed™ we have worked with endless amounts of aftermarket gaskets, none seem to work as well as the multi-layer steel oem style gaskets....

GrimmSpeed Downpipe to Catback 3" 2-Bolt 2X Thick Gasket - Multiple Fitments

$27.00
076001
All Best selling products Commerceinstruments Best Selling Products Exhausts Grimmspeed New products
Our new 2X Thick 3" 2-Bolt gasket is hands down the most beefy 3" 2-Bolt gasket on the market. 12 LAYERS!Tired of the endless searching...

GrimmSpeed V2 Turbo Heat Shield - Multiple Subaru Turbo Models

$79.00
092007
All Best selling products Commerceinstruments Best Selling Products Grimmspeed Heat Shields & Wraps New products
The turbocharger is one of the hottest components in your engine bay and can have some really negative effects on its surroundings. As it...

GrimmSpeed Downpipe 3" Catted LIMITED - Subaru WRX 2008-2014 / STi 2008-2020 (+Multiple Fitments)

$759.00
007097
All Best selling products Commerceinstruments Best Selling Products Downpipes Grimmspeed New products
The Grimmspeed Limited Divorced and Catted Downpipe is a top-of-the-line fully USA built downpipe. All materials, engineering, R&D, fabrication, etc are straight out of...

GrimmSpeed Top Mount Intercooler Silicone Coupler Kit - Subaru WRX 2002-2007 / STi 2004-2020 / Forester XT 2004-2007

$89.00
090109
All Best selling products Commerceinstruments Best Selling Products Grimmspeed New products
High quality replacement TMIC Y-pipe hoses:  Is your old 90 degree TMIC coupler all chewed up from years of use? Is it dirty and...

GrimmSpeed Electronic Boost Control Solenoid 3-Port - Subaru WRX 2006-2007 / STi 2004-2007 / Forester XT 2004-2008

$129.00
057002
All Best selling products Boost Control Solenoids Commerceinstruments Best Selling Products Electronics Forced Induction Grimmspeed New products
The GrimmSpeed Electronic Boost Control Solenoid is designed to work with your factory computer (requires tuning). It will not reduce the life of your...

Grimmspeed Overtake BB500 Turbocharger - Subaru STi 2004-2021 / WRX 2002-2007 (+Multiple Fitments)

$1,650.00
123006
All Best selling products Commerceinstruments Best Selling Products Grimmspeed New products Turbo Kits Turbochargers / Turbo Kits
Both of Grimmspeed's new turbocharger options feature state of the art proprietary compressors, turbines, CHRA's and wheel designs which maximize the power made on your EJ engine at...

GrimmSpeed Front Mount Intercooler Kit - Subaru STI 2008-2014

$1,559.00
090228
All Best selling products Commerceinstruments Best Selling Products Cooling Front Mount Intercoolers Grimmspeed Intercoolers New products
Meticulous Engineering, Unparalleled Craftsmanship GrimmSpeed Intercoolers have set the gold standard for how a high performance heat exchanger should be crafted. Our intercoolers have always...

GrimmSpeed StealthBox Cold Air Intake - Subaru WRX STi 2015-2020

$349.00
060077
Air Induction Air Intake Systems All Best selling products Commerceinstruments Best Selling Products Grimmspeed New products
You've been asking for this bad sally for a while and it's finally here. The intake the for the 15+ STI can be thought...

GrimmSpeed Stage 2 Power Package - Subaru WRX 2015-2020

$1,469.06
191011
All Best selling products Commerceinstruments Best Selling Products Electronics Engine Management Grimmspeed New products Power Packages
The beauty of the GrimmSpeed Staged Power Packages is that all of the included components were designed and tested to work well together, as...

GrimmSpeed Subaru OEM Downpipe to 3" Catback Adapter - Multiple Subaru Fitments

$57.00
077046
All Best selling products Commerceinstruments Best Selling Products Exhaust Misc. Exhausts Grimmspeed New products
Exhaust leaks seem to be an all-too-common issue with most modified Subarus. They tend to spring up out of nowhere and cause hours of...

GrimmSpeed Rally Blue(WRB) Paint

$22.00
054002
All Best selling products Commerceinstruments Best Selling Products Grimmspeed New products Paint & Glass Cleaner Vehicle Care Vehicle Protection
Stepping out with style, GrimmSpeed brings you the ONLY way to get 100% paint match to your most desirable colors.  *Subaru World Rally Blue*...

GrimmSpeed J-Pipe Hardware Kit - Subaru WRX 2015-2020

$49.00
007008
All Best selling products Commerceinstruments Best Selling Products Exhausts Grimmspeed New products
GrimmSpeed has provided you with new J-Pipe hardware. Every time you remove or replace your J-Pipe, you should use new hardware upon re-assembly to...

GrimmSpeed StealthBox Cold Air Intake - Subaru WRX 2015-2020

$399.00
060060
Air Induction Air Intake Systems All Best selling products Commerceinstruments Best Selling Products Grimmspeed New products
Inspiration for the StealthBox Intake came from internal discussions about what GS wanted from an intake system for the 2015+ WRX. Of course performance...

GrimmSpeed Hood Struts - Subaru WRX 2002-2007 / STi 2004-2007

$139.00
097016
All Best selling products Commerceinstruments Best Selling Products Grimmspeed Hood Struts New products
Tired of that ugly OEM hood prop blocking your view of that beautiful FA20 boxer engine? Always wanted to open your feather-light hood with...

GrimmSpeed Master Cylinder Brace - Subaru Impreza / WRX / STi 2008-2014 / Subaru Legacy 2008-2009 / Legacy GT 2008-2009

$99.00
091029
All Best selling products Brake Accessories Brake System Brakes Commerceinstruments Best Selling Products Grimmspeed Master Cylinder Braces New products
Pressing Subaru brakes leaves a lot to be desired, especially when every inch counts in a race or when you are depending on them...

GrimmSpeed Air Oil Separator - Subaru WRX 2002-2007 / STi 2004-2020

$299.00
078006
Air Oil Separators All Best selling products Commerceinstruments Best Selling Products Grimmspeed New products Oil System
An Air/Oil Separator has one job, remove the oil from the engine ventilation system so the oil does not get sent through the intake...

Grimmspeed Front Mount Intercooler Kit - Subaru WRX 2015-2021

$1,559.00
090239
All Best selling products Commerceinstruments Best Selling Products Cooling Grimmspeed Intercoolers New products
Meticulous Engineering, Unparalleled Craftsmanship GrimmSpeed Intercoolers have set the gold standard of how a high performance heat exchanger should be crafted. Our intercoolers have always...

Grimmspeed Front Mount Intercooler Kit - Subaru STi 2015-2021

$1,559.00
090237
All Best selling products Commerceinstruments Best Selling Products Cooling Front Mount Intercoolers Grimmspeed Intercoolers New products
Meticulous Engineering, Unparalleled Craftsmanship GrimmSpeed Intercoolers have set the gold standard of how a high performance heat exchanger should be crafted. Our intercoolers have always...

GrimmSpeed Radiator Hose Kit - Subaru WRX 2008-2014 / STi 2008-2020 / Forester XT 2009-2013

$110.00
405322
All Best selling products Commerceinstruments Best Selling Products Cooling Grimmspeed New products Radiator Accessories Radiator Hoses
Your 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...
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All products sold by Patterson Performance Parts, LLC are intended for off-road and/or competition use only. By purchasing aftermarket products from us, having us install the products, or both, the customer takes full responsibility for any use, and/or misuse of the product; and agrees that Patterson Performance Parts holds no responsibility for any consequences, legal, or other, of such use and/or misuse.
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