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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
**In Stock, Shipping Now!** Limited Quantities Available, Avoid Extended Backorders While Possible. The Invidia N1 Exhaust Silencer allows you to lower the sound output...
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...

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

$54.99
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,...

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

$350.00
BTI2021-BLK
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IN STOCK AND SHIPPING NOW! TDMimports billet turbo inlet is designed for the 2015-2021 Subaru WRX. This inlet is a direct replacement for the...
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...

Subaru STi 11mm 2.5L Oil Pump

$299.95 $269.99
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...

Extend Shipping Protection Plan

$0.98
Extend-Shipping-Protection-0.98
All Best selling products Commerceinstruments Best Selling Products New products
Extend Shipping Protection Plan

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

$54.99
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...

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

$129.95
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...
iBR

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

$549.99
FLX01
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...

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

$8.49
15208AA12A
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This genuine Subaru OEM Oil Filter is the original equipment oil filter for most EJ20 / EJ25 engines. Recommended to be changed during each oil...

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...

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...

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,...

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 Engine Oil Filter - Subaru WRX 2015-2021

$8.99
15208AA170
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Subaru OEM Oil Filter. This is the same oil filter that comes with your vehicle out of the factory (where applicable). If you perform...

Cobb AccessPORT V3 (AP3-SUB-004) - Subaru WRX & STi 2015-2021 / Forester XT 2014-2018

$725.00
COBBAP3-SUB-004
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EMISSIONS 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance...

Subaru OEM Oil Cooler Subaru WRX STI 2008-2020

$304.68
21311AA120
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This is a replacement OEM Subaru Oil Cooler. If your Subaru suffered bearing failure, this is a necessary component to ensure that your new...

King XPG Series Rod Bearings 52mm Journal - Subaru WRX 2002-2014 / STI 2004-2020 (+Multiple Subaru Fitments)

$73.48 $56.99
CR4125XPG
All Best selling products Commerceinstruments Best Selling Products Engine Bearings Engine Build Components New products Rod Bearings
These bearings are specifically engineered to solve premature bearing failure caused by low oil pressure or oil starvation that has plagued the high output...

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...

King XPG Series Main Bearings - Subaru WRX 2002-2014 / STI 2004-2020 (+Multiple Subaru Fitments)

$121.14 $84.99
MB5382XPG
All Best selling products Commerceinstruments Best Selling Products Engine Bearings Engine Build Components Main Bearings New products
King conducted extensive research into the unique oiling circumstances of the Subaru EJ series engines. What resulted is a completely re-engineered main bearing set...

ACT Streetlite Flywheel - Subaru STI 2004-2021 / Legacy GT Spec B 2007-2009

$391.00
600235
All Best selling products Clutch Kits, Flywheels & Accessories Clutches Commerceinstruments Best Selling Products Drivetrain New products
600235 is a Streetlite flywheel, which is considerably lighter than stock and is the most durable flywheel offering from ACT. Materials are properly distributed...

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...
Custom Label
Front & Rear Gloss Emblem Kit - Subaru WRX 2011-2023 / STI 2011-2021 Front & Rear Gloss Emblem Kit - Subaru WRX 2011-2023 / STI 2011-2021 Quick View

Front & Rear Gloss Emblem Kit - Subaru WRX 2011-2023 / STI 2011-2021

$45.99
SMY-SES-WH
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Tired of replacing your vinyl stickers to get the look you want? These high-end emblems are what you have been looking for all this...

Verus Forged Clutch Fork Subaru WRX / Legacy GT / Outback XT

$179.95
A0163A
All Best selling products Clutch Kits, Flywheels & Accessories Clutches Commerceinstruments Best Selling Products New products
Greatly increase strength and longevity of the clutch fork by using our forged 4130 clutch fork for the VA WRX. The VA chassis has a...

Motorhead Garage "T Is For Turbo" Hardback Children's Book

$13.99
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TEACH THE ALPHABET WITH CAR PARTS! New Board Book Format offers sturdy pages for no worry page flipping or chewing! T is for Turbo...

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...

450 Wheel Horsepower Package - KIA Stinger / Hyundai Genesis G70 2018+

$1,199.00
All Best selling products Commerceinstruments Best Selling Products Engine Management New products Power Packages
Transform your Kia Stinger / Hyundai Genesis into a 450whp beast with our simple bolt-on package! What's included: JB4 Performance Tuner for Kia /...

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...

Motul 1L Transmission GEAR 300 75W90 - Synthetic Ester (Universal; Multiple Applications)

$25.49
105777
All Best selling products Commerceinstruments Best Selling Products Drivetrain Fluids New products Transmission Fluids
100% synthetic lubricant for all mechanical transmission of high performances and racing cars. For synchronized or not synchronized gearboxes, gearbox/differential, transfer gearboxes and hypoid...
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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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