4925 products

  • Up to $97.85 off
    In Stock
    DBA 4000 Series Gravel Spec T-Slot T3 Slotted Rotor Single Rear Subaru STI 2004-2007 | 4656S-10
    DBA
    Only 4 left
    $16400$261.85 Save $97.85
  • Up to $30.50 off
    Cusco 21mm Front Sway Bar WRX/STI 2002-2007
    Cusco

    21mm Front Sway Bar

    Fits: 02-07 WRX, 04-07 STI

    $27450$305.00 Save $30.50
    Pay over time · Est. $8.58/payment
    ⓘ

    Illustrative estimate only, not a financing quote or guaranteed offer. Actual payments, frequency and terms vary by provider and eligibility. Taxes, shipping and add-ons are excluded.

  • Up to $30.50 off
    In Stock
    Cusco 22mm Rear Sway Bar WRX/STI 2004-2007
    Cusco
    Only 3 left
    $27450$305.00 Save $30.50
    Pay over time · Est. $8.58/payment
    ⓘ

    Illustrative estimate only, not a financing quote or guaranteed offer. Actual payments, frequency and terms vary by provider and eligibility. Taxes, shipping and add-ons are excluded.

  • Up to $2.70 off
    Cusco Front Sway Bar Bushings WRX/STI 2002-2007
    Cusco

    Front Sway Bar Bushing

    Fits: 02-07 WRX, 04-07 STI

    $2430$27.00 Save 10%
  • Up to $268 off
    Cusco ZERO-3 Competition Coilovers Subaru STI 2005-2007
    Cusco
    $2,41200$2,680.00 Save $268
    Pay over time · Est. $75.38/payment
    ⓘ

    Illustrative estimate only, not a financing quote or guaranteed offer. Actual payments, frequency and terms vary by provider and eligibility. Taxes, shipping and add-ons are excluded.

  • Up to $90 off
    Cusco Pillowball Rear Side Adj. Lateral Link Kit Subaru STI 2006-2007
    Cusco
    $81000$900.00 Save $90
    Pay over time · Est. $25.31/payment
    ⓘ

    Illustrative estimate only, not a financing quote or guaranteed offer. Actual payments, frequency and terms vary by provider and eligibility. Taxes, shipping and add-ons are excluded.

  • Up to $168 off
    Cusco 7-point Dash Escape Roll Cage WRX/STI 2002-2007
    Cusco

    7-Point Dash Escape Roll Cage

    Fits: 02-07 WRX/STI

    $1,51200$1,680.00 Save $168
    Pay over time · Est. $47.25/payment
    ⓘ

    Illustrative estimate only, not a financing quote or guaranteed offer. Actual payments, frequency and terms vary by provider and eligibility. Taxes, shipping and add-ons are excluded.

  • Up to $26 off
    Cusco Pillowball Rear Lateral Link Bushings | TOE CONTROL BODY SIDE WRX/STI 2008-2014
    Cusco
    $23400$260.00 Save $26
    Pay over time · Est. $7.31/payment
    ⓘ

    Illustrative estimate only, not a financing quote or guaranteed offer. Actual payments, frequency and terms vary by provider and eligibility. Taxes, shipping and add-ons are excluded.

  • Up to $42.50 off
    Cusco Rear Trading ARM Bushings WRX/STI 2008-2014
    Cusco
    $38250$425.00 Save $42.50
    Pay over time · Est. $11.95/payment
    ⓘ

    Illustrative estimate only, not a financing quote or guaranteed offer. Actual payments, frequency and terms vary by provider and eligibility. Taxes, shipping and add-ons are excluded.

  • Up to $27 off
    Cusco Pillowball Rear Lateral Link Bushings | BODY SIDE WRX/STI 2008-2014
    Cusco
    $24300$270.00 Save $27
    Pay over time · Est. $7.59/payment
    ⓘ

    Illustrative estimate only, not a financing quote or guaranteed offer. Actual payments, frequency and terms vary by provider and eligibility. Taxes, shipping and add-ons are excluded.

  • Up to $27 off
    Cusco Pillowball Front Lower Arm Bar Bushings WRX/STI 2008-2014
    Cusco

    Pillowball Front Lower Arm Bar Bushing

    Fits: 08-14 WRX STI, 15-21 WRX/STI

    $24300$270.00 Save $27
    Pay over time · Est. $7.59/payment
    ⓘ

    Illustrative estimate only, not a financing quote or guaranteed offer. Actual payments, frequency and terms vary by provider and eligibility. Taxes, shipping and add-ons are excluded.

  • Up to $198 off
    Cusco ZERO-A Sport Coilover Kit Subaru STI 2005-2007
    Cusco

    ZERO-A Sport Coilover Kit

    Fits: 05-07 WRX STI

    $1,78200$1,980.00 Save $198
    Pay over time · Est. $55.69/payment
    ⓘ

    Illustrative estimate only, not a financing quote or guaranteed offer. Actual payments, frequency and terms vary by provider and eligibility. Taxes, shipping and add-ons are excluded.

  • Up to $55 off
    In Stock
    Cusco Rear Adjustable Pillowball Trailing Rod WRX/STI 2008-2014
    Cusco
    Only 5 left
    $49500$550.00 Save $55
    Pay over time · Est. $15.47/payment
    ⓘ

    Illustrative estimate only, not a financing quote or guaranteed offer. Actual payments, frequency and terms vary by provider and eligibility. Taxes, shipping and add-ons are excluded.

  • Up to $148 off
    In Stock
    Cusco Front Type-RS - 1 Way Limited Slip Differential Subaru STI 2004-2014
    Cusco
    Only 4 left
    $1,33200$1,480.00 Save $148
    Pay over time · Est. $41.63/payment
    ⓘ

    Illustrative estimate only, not a financing quote or guaranteed offer. Actual payments, frequency and terms vary by provider and eligibility. Taxes, shipping and add-ons are excluded.

  • Up to $148 off
    Cusco Front Type MZ - 1 Way Limited Slip Differential Subaru STI 2004-2014
    Cusco
    $1,33200$1,480.00 Save $148
    Pay over time · Est. $41.63/payment
    ⓘ

    Illustrative estimate only, not a financing quote or guaranteed offer. Actual payments, frequency and terms vary by provider and eligibility. Taxes, shipping and add-ons are excluded.

  • Up to $148 off
    Cusco Rear Type MZ - 2 Way Limited Slip Differential Subaru STI 2004-2014
    Cusco
    $1,33200$1,480.00 Save $148
    Pay over time · Est. $41.63/payment
    ⓘ

    Illustrative estimate only, not a financing quote or guaranteed offer. Actual payments, frequency and terms vary by provider and eligibility. Taxes, shipping and add-ons are excluded.

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.