select level 1
select level 2
select level 3

IAG Performance V3 Street Series Air / Oil Separator (AOS) - Subaru WRX 2008-2014 / STi 2008-2021 / FXT 2009-2013 / LGT 2005-2009

$439.99
IAG-ENG-7181BK
Air Oil Separators All Best selling products Commerceinstruments Best Selling Products IAG Performance New products Oil System
IAG V3 Street Series AOS The IAG Performance V3 Street Series Air / Oil separator (AOS) is an excellent investment to keep your Subaru...

Motul 5L Synthetic Engine Oil 8100 5W40 X-CESS Gen 2 (Universal; Multiple Fitments)

$49.99
109776
All Best selling products Commerceinstruments Best Selling Products Engine Oil & Additives New products
High performance 100% Synthetic lubricant specifically designed for powerful and recent cars fitted with large displacement engines, Gasoline and Diesel, naturally aspirated or turbocharged,...
ARP

ARP Subaru WRX EJ20 & EJ25 Head Stud Kit

$219.99
260-4701
All Best selling products Commerceinstruments Best Selling Products Engine Build Components Engine Hardware & Accessories New products
This ARP head stud kit is made from 8740 chromemoly steel, 190,000 psi tensile strength. It is precision centerless ground and thread rolled to...

TDMimports Billet Turbo Inlet - Subaru WRX 2015-2021 / Forester XT 2014-2018

$350.00
BTI2021-BLK
All Best selling products Commerceinstruments Best Selling Products New products
TDM is currently experiencing material shortages for this item. Current ETA for new orders is 08/01/2022.  TDMimports billet turbo inlet is designed for the...

IAG Performance Street Series Air / Oil Separator (AOS) - Subaru WRX 2015-2021 / Forester 2.0XT 2014-2018

$459.99
IAG-ENG-7182BK
Air Oil Separators All Best selling products Commerceinstruments Best Selling Products IAG Performance New products Oil System
The IAG Performance V3 Street Series Air / Oil separator (AOS) is an excellent investment to keep your Subaru vehicle running well. The Street...

GDT Cylinder 4 Chamber Cooling System For 02-14 WRX, 04-18 STI, 04-08 FXT, 05-09 LGT

$85.00
GDT-1005-S
All Best selling products Commerceinstruments Best Selling Products IAG Performance New products
GDT proudly offers the industry's first Subaru DOHC EJ Cylinder 4 Combustion Chamber Cooling kit that increases coolant flow in the left-hand cylinder head....

Subaru STi 11mm 2.5L Oil Pump

$277.50
15010AA360
All Best selling products Commerceinstruments Best Selling Products New products Oil Pumps Oil System
This is an original Subaru oil pump that came equipped on the 2008+ STI. This oil pump fits all WRX and STI 2.5 EJ205...

Invidia Silencer (for N1 Exhaust System w/ 101mm Tip)

$39.99
N1Silencer101mm
All Best selling products Commerceinstruments Best Selling Products Exhaust Misc. Exhausts New products
Limited Inventory In Stock, Shipping Now! The Invidia N1 Exhaust Silencer allows you to lower the sound output of your Invidia N1 catback exhaust...

Motul 5L Synthetic Engine Oil 8100 5W30 X-CLEAN EFE

$49.99
109471
All Best selling products Commerceinstruments Best Selling Products Engine Oil & Additives New products
8100 Series is a 100% synthetic engine oil that has been formulated, developed and tested according to the most recent technical requirements of petrol...

IAG V3 Top Feed Fuel Rails For 2002-14 Subaru WRX, 07+ STI, 05-09 LGT, 09-13 FXT

$199.99
IAG-AFD-2102BK
All Best selling products Commerceinstruments Best Selling Products Fuel Rails Fuel System IAG Performance New products
The IAG Performance V3 Top Feed Billet Aluminum Fuel Rails with phenolic spacers are designed to increase the power ceiling on your Subaru's fuel...
NGK

NGK 2309 One Step Colder Spark Plugs (Set of 4) - Subaru WRX 2006-2014 / STi 2004-2020 (+Multiple Fitments)

$50.00
2309-4
All Best selling products Commerceinstruments Best Selling Products Ignition Coils / Spark Plugs Ignition System New products
NGK IX Iridium Series plugs were designed specifically for the performance enthusiast.   Fine wire center electrode ensures high durability and a consistently stable...

Whiteline Adjustable Rear Lower Control Arms Scion FR-S 2013-2016 / Subaru BRZ 2013-2018 / WRX / STI 2008-2021

$296.10
KTA216A
All Best selling products Commerceinstruments Best Selling Products Control Arms New products Suspension Linkage
At only 3.8 lbs total per side (includes all inboard/outboard mounting hardware) these control arms will give significant gains in grip levels with minimal...

Subaru OEM Engine Oil Filter - Subaru WRX 2015-2021

$8.99
15208AA170
All Best selling products Commerceinstruments Best Selling Products New products
Subaru OEM Oil Filter. This is the same oil filter that comes with your vehicle out of the factory (where applicable). If you perform...

Motul 1L Synthetic Engine Oil 8100 5W30 X-CLEAN EFE

$11.99
109470
All Best selling products Commerceinstruments Best Selling Products Engine Oil & Additives New products
8100 Series is a 100% synthetic engine oil that has been formulated, developed and tested according to the most recent technical requirements of petrol...

Subaru OEM Master Gasket and Seal Kit - Subaru STI 2008-2020

$357.62
10105AB2009X
All Best selling products Commerceinstruments Best Selling Products Engine Build Components Engine Gaskets Gaskets & Miscellaneous New products
Full Master Gasket kits come complete with every gasket or seal that you could possibly need when doing any level of engine work including,...

Genuine Subaru OEM Oil Filter - Subaru STi 2004-2021 / WRX 2002-2014 (+Multiple Fitments)

$8.49
15208AA12A
All Best selling products Commerceinstruments Best Selling Products New products
This genuine Subaru OEM Oil Filter is the original equipment oil filter for most EJ20 / EJ25 engines. Recommended to be changed during each oil...

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...

AEM Electronics 340lph E85 Hi Flow In-Tank Fuel Pump w/ Hooks

$122.38
50-1215
All Best selling products Commerceinstruments Best Selling Products Fuel Pumps Fuel System New products
AEM’s 340LPH E85-Compatible High Flow In-Tank Fuel Pumps feature robust internal construction that is designed to withstand the low lubricity characteristics of ethanol and...

IAG Stage 2 2.5L Subaru Short Block for WRX, STI, Legacy GT, Forester XT

$3,799.99
IAG-ENG-1202
All Best selling products Commerceinstruments Best Selling Products Engine Build Components IAG Performance New products Shortblocks
IAG Stage 2 Short Block The IAG Stage 2 Short Block is designed for modified EJ25 Subaru's that need a beefed-up performance short block....

IAG Performance 0-100 PSI Liquid Filled Fuel Pressure Gauge (Black Face)

$36.99
IAG-AFD-2050
All Best selling products Commerceinstruments Best Selling Products Fuel Pressure Regulators & Accessories Fuel System IAG Performance New products
IAG's silicone liquid filled gauge is a simple way to monitor and dial in fuel pressure on an adjustable FPR like the Aeromotive A1000-6....

Perrin Pitch Stop Mount - Subaru WRX 2002-2020 / STi 2004-2020 (+Multiple Fitments / Colors)

$105.30
PSP-DRV-101BK
All Best selling products Commerceinstruments Best Selling Products Drivetrain Mounts / Bushings Engine Mounts Mount Kits New products Perrin Performance Pitch Stop Mounts
Hyper Teal is limited production, please call/email for availability! Reduce drivetrain shudder under hard acceleration by installing a PERRIN Pitch Stop mount. The factory...

Subaru OEM Oil Cooler Subaru WRX STI 2008-2020

$304.68
21311AA120
All Best selling products Commerceinstruments Best Selling Products New products
This is a replacement OEM Subaru Oil Cooler. If your Subaru suffered bearing failure, this is a necessary component to ensure that your new...

IAG Stage 2.5 EJ25 Subaru Closed Deck Short Block For WRX, STI, LGT, FXT

$4,899.99
IAG-ENG-1252
All Best selling products Commerceinstruments Best Selling Products Engine Build Components IAG Performance New products Shortblocks
IAG Stage 2.5 Subaru EJ25 Closed Deck Short Block  The IAG Stage 2.5 Short Block starts with brand new Subaru 2.5L engine case halves....

Verus Engineering Billet Clutch Fork Pivot - Multiple Subaru Fitments

$28.95
A0068A
All Best selling products Clutch Kits, Flywheels & Accessories Clutches Commerceinstruments Best Selling Products New products
Subaru Billet Clutch Fork Pivot by Verus Engineering The Billet Clutch Fork Pivot compliments the Verus billet clutch fork with a stronger pivot point...

Manley Subaru WRX/STI EJ205/EJ257/EJ255 H Tuff Connecting Rod Set

$571.04
15024-4
All Best selling products Commerceinstruments Best Selling Products Connecting Rods Engine Build Components New products
Manley "H-Tuff" connecting rods are manufactured from 4340 forgings to the same exacting standards developed and approved by our original equipment customers. There is...
iBR

iBR Flex Fuel Sensor Kit - Subaru WRX / STi 2008-2021

$549.99
iBR-FFK
All Best selling products Commerceinstruments Best Selling Products Flex Fuel Kits Fuel System New products
This kit is designed to provide a way to data log and monitor the ethanol content of fuel on most new Subaru Vehicles. Our...

Subaru OEM Oil Drain Plug Crush Washer - Subaru WRX 2015-2021 / BRZ 2013+ (+Multiple Fitments)

$1.99
803916010
All Best selling products Commerceinstruments Best Selling Products Drain Plugs Engine Oil & Additives New products
Subaru 16mm OEM Oil Drain Plug Gasket for the multiple FA/FB equipped Subaru models (See vehicle fitment chart). It is always recommended to replace...

Koyo Aluminum Radiator - Subaru WRX / STI 2008-2020 / Subaru Legacy GT 2005-2009 (Manual)

$447.30
VH091662
All Best selling products Commerceinstruments Best Selling Products Cooling New products Radiators
 Koyorad introduces their new Subaru radiator which consolidates 5 popular Subaru applications, including the 2015+ Subaru WRX! The new VH091662 uses their ultra-efficient 36mm...

IAG Braided Fuel Line & Fitting Kit For IAG Top Feed Fuel Rails & -6 Aeromotive FPR

$279.99
IAG-AFD-2202
All Best selling products Commerceinstruments Best Selling Products IAG Performance New products
The IAG Performance Fuel Line kit is designed to work with the IAG Top Feed Fuel Rails and -6 Aeromotive FPR (Fuel Pressure Regulator)....

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...
Items 1 to 30 of 6703 total
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.
×

Someone recently bought a

The cookie settings on this website are set to 'allow all cookies' to give you the very best experience. Please click Accept Cookies to continue to use the site.

Your cart

×