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Maxton Designs 15-21 Subaru WRX/STI Rear Diffuser Gloss Black Redline | SUIM4WRXSTIRD1R
Regular price $310.00Regular priceUnit price per$320.00Sale price $310.00Sale -
HKS 3 Layer Dry 200mm Green Replacement Filter Element - Universal | 70001-AK022
Regular price $37.00Regular priceUnit price per$43.00Sale price $37.00Sale -
HKS 15-21 Subaru WRX/STI Super Turbo Dual Stainless Steel Tip Catback Exhaust | 31029-AF011
Regular price $2,563.00Regular priceUnit price per$2,622.00Sale price $2,563.00Sale -
HKS 08-21 STI Suction Return Kit | 71002-AF002
Regular price $55.00Regular priceUnit price per$64.00Sale price $55.00Sale -
HKS 02-07 WRX / 04-07 STI SSQV4 Blow Off Valve | 71008-AF006
Regular price $551.00Regular priceUnit price per$648.00Sale price $551.00Sale -
GSC P-D Valve Seat Set OEM Replacement Subaru WRX/STI w/ EJ 205, EJ207, EJ257
Regular price $64.00Regular priceUnit price per$64.00Sale price $64.00 -
GSC Power Division Beehive Spring & Titanium Retainer Kit Subaru WRX/STI EJ257 2004-2020 | 5043
Regular price $633.00Regular priceUnit price per$0.00Sale price $633.00 -
Megan Racing Aluminum Radiator Subaru WRX/STI 2002-2007 | MR-RT-SI04ST
Regular price $369.00Regular priceUnit price per$0.00Sale price $369.00 -
Radium Engineering 6AN Coupler Female To Female - Straight - Universal
Regular price $16.00Regular priceUnit price per$17.00Sale price $16.00Sale -
Radium 8AN ORB to 5/16in Barb - Universal
Regular price $16.00Regular priceUnit price per$17.00Sale price $16.00Sale -
Radium Engineering 5/16in SAE Female to -6AN Male Low Profile - Universal
Regular price $39.00Regular priceUnit price per$41.00Sale price $39.00Sale -
Radium Engineering Fuel Hanger | Dual Pumps Inc Walbro F90000274 E85 Subaru WRX/STI 2002-2007
Regular price $1,432.00Regular priceUnit price per$1,508.00Sale price $1,432.00Sale -
Radium Engineering Duckbill Valve - Universal
Regular price $24.00Regular priceUnit price per$25.00Sale price $24.00Sale -
Radium Engineering 08-21 STI Fuel Pressure Regulator Kit Black | 20-0265-00
Regular price $421.00Regular priceUnit price per$443.00Sale price $421.00Sale -
GReddy 15-21 Subaru WRX/STI Supreme SP Cat-Back Exhaust System | 10168202
Regular price $1,860.00Regular priceUnit price per$1,958.00Sale price $1,860.00Sale -
Planted Technology Steel Seat Side Mount Set - Universal
Regular price $164.00Regular priceUnit price per$164.00Sale price $164.00
Subaru WRX STI Performance Parts
We know that the Subaru WRX and STI were built to be customized by automotive enthusiasts like you. That's why our winning team of Subaru WRX and STI experts here at JDMuscle offer a long list of the finest and most effective Subaru STI and WRX parts available on the market. Make your Subaru WRX or STI look, feel, and perform according to your unique tastes as well as your high expectations with top quality aftermarket performance parts. Your vehicle should be as unique as its driver. A stock automobile just doesn't cut it. With JDmuscle, customizing your car with high quality Subaru STI parts has never been easier.
Superior Craftsmanship for Every Part
You'll enjoy outstanding craftsmanship and attention to detail evident in every aspect of our beautiful Subaru STI parts! Boost the power, performance, and styling of your Subaru with high-quality performance parts from J Muscle, including WRX STI parts and accessories. Subaru has a focus on superior driving performance, and the aftermarket Subaru STI parts available in our inventory can take you and your vehicle to the next level.
Our Subaru STI Parts & Accessories Are the Best on the Market
Your Subaru is a performance machine, but the right custom Subaru STI parts can make it even better. Whether you opt for exhaust components, ignition components, engine management upgrades, or other enhancements, JDMuscle has the Subaru aftermarket parts you are looking for.
JDMuscle is the leader when it comes to high quality, well tested, and easy to install Subaru STI parts and performance accessories. Get the most out of your vehicle with the finest aftermarket WRX STI parts available, only through JDMuscle. Get in touch today to learn more. Our team of Subaru experts is standing by to answer all of your important questions.
Welcome to JDMuscle, your source for the best Subaru WRX STI performance parts and accessories! If you're looking to boost your Subaru's power and enhance its visual aesthetics, you've come to the right place.
Premium WRX & STI Aftermarket Parts
We carry a wide selection of premium aftermarket parts to take your WRX or STI to the next level. Our inventory includes everything from intakes and turbos to improve performance, to lips and wings for an aggressive new look.
We only carry parts from top brands known for quality and innovation like APR, Cobb, ETS, Invidia, and more. We've carefully curated our catalog to offer you the highest quality components on the market.
Improve Your Car's Power & Visual Aesthetics
With our performance upgrades, you can increase your Subaru's horsepower, torque, and throttle response for better acceleration. Feel the rush as your WRX or STI surges forward when you step on the gas.
We also offer stylish exterior add-ons like side skirts, diffusers, and Subaru WRX & STI front lips to give your ride a customized, head-turning look. Whether you're looking to improve performance or aesthetics, we've got you covered.
Upgrade Your Braking System
Ensuring your Subaru can stop as well as it can go is crucial. We stock 2015-2021 Subaru STI brakes, featuring cross-drilled, slotted, and vented rotors for superior stopping power. Our rotors are crafted from premium materials to withstand repeated heat cycles. Combine them with performance brake pads for shorter stopping distances. You'll have the peace of mind of knowing your car will handle and stop safely.
Enhance The Sound of Your Ride
A throaty exhaust note adds to the thrill of acceleration. We carry top exhaust brands like Invidia, ETS, and Tomei exhausts for 2015-2021 Subaru STI. Get deeper, louder sounds with cat-backs, axle-backs, and headers. Hear your engine truly come alive!
Our user-friendly website makes it easy to find parts for your specific Subaru model. We offer quick shipping across the USA and excellent customer service. Take your WRX or STI to new heights with JDMuscle performance parts! Contact us today.