4911 products

  • Up to $239 off
    [15-21 WRX/STI] Rexpeed VAB Duckbill Trunk Spoiler FRP w/Carbon Strip Dark Grey Metallic | 61K - JDMuscleSpoilers and WingsREXG28C-61K
    Rexpeed
    Black Friday Deal: Extra 10% Off Code REXPEED10 Ends 2/14
    $32200$561.00 Save $239
    Pay over time · Est. $10.06/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 $289 off
    [15-21 / WRX STI] Rexpeed VAB Duckbill Trunk Spoiler FRP w/Carbon Strip Crystal Black Silica | D4S - JDMuscleSpoilers and WingsREXG28C-D4S
    Rexpeed
    Black Friday Deal: Extra 10% Off Code REXPEED10 Ends 2/14
    $32200$611.00 Save $289
    Pay over time · Est. $10.06/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.

  • OLM 13 - 17 Crosstrek /[15 - 21 WRX/STI] V3 F1 Rear Brake Light | Clear Lens, Gloss Black Base, Red Bar Required Wire Harness | A.70023.2 - JDMuscleAuxiliary Brake LightingOLMA.70023.2
    OLM
    $15240
  • GSC Power - Division 02 - 14 WRX / 04 - 21 STI Super Alloy Exhaust Valves 32mm | 15 - 8 - JDMuscleValvesgsc2015-8
    GSC Power-Division
    $26600
    Pay over time · Est. $8.31/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 $71.50 off
    GSC Power - Division 08 - 21 STI S2 Billet Camshaft Set | 7026S2 - JDMuscleCamsgsc7026S2
    GSC Power-Division

    S2 Billet Camshaft Set

    Fits: 08-21 WRX STI

    $1,17400$1,245.50 Save $71.50
    Pay over time · Est. $36.69/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.


  • In Stock
    K&N Performance Typhoon Short Ram Intake Subaru STI 2008 - 2014 | 69 - 8005TWR - JDMuscleIntakesknn69-8005TWR
    K&N Engineering
    Only 5 left
    $36999
    Pay over time · Est. $11.56/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.

  • Milltek Cat Back Exhaust 3in w/Cerakote Black Finished Tips WRX/STI 2015+ | SSXSB50 - JDMuscleCat Back Exhaust SystemMILSSXSB50
    Milltek
    $2,11326
    Pay over time · Est. $66.04/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 $36.59 off
    In Stock
    Whiteline 04 - 06 STI Front Sway Bar Kit 27mm Adjustable | BSF36XXZ - JDMuscleSway BarswhlBSF36XXZ
    Whiteline
    Only 3 left
    $32929$365.88 Save $36.59
    Pay over time · Est. $10.29/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.


  • In Stock
    Whiteline 04 - 06 STI Front and Rear Sway Bar Kit 24mm Adjustable | BSK009M - JDMuscleSway BarswhlBSK009M
    Whiteline
    Only 3 left
    $99788
    Pay over time · Est. $31.18/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 $35.79 off
    In Stock
    Whiteline 04 - 07 STI Rear Sway Bar 27mm Adjustable | BSR37XXZ - JDMuscleSway BarswhlBSR37XXZ
    Whiteline

    Rear Sway Bar 27mm Adjustable

    Fits: 04-07 WRX STI

    Only 1 left
    $32209$357.88 Save $35.79
    Pay over time · Est. $10.07/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 $33.39 off
    In Stock
    Whiteline 08 - 21 / STI / 10 - 13 LGT / 09 - 13 FXT Rear Sway Bar 20mm Adjustable | BSR49Z - JDMuscleSway BarswhlBSR49Z
    Whiteline

    Rear Sway Bar 20mm Adjustable

    Fits: 08-21 WRX/STI, 10-13 Legacy GT, 09-13 Forester XT

    Only 9 left
    $30049$333.88 Save $33.39
    Pay over time · Est. $9.39/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 $64.89 off
    In Stock
    Whiteline [04 - 07 STI] Rear Lateral Link Kit | KTA123 - JDMuscleLateral LinkswhlKTA123
    Whiteline

    Rear Lateral Link Kit

    Fits: 04-07 WRX STI

    $58399$648.88 Save $64.89
    Pay over time · Est. $18.25/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 $79.50 off
    In Stock
    XForce [08 - 14 STI / 11 - 14 WRX Hatchback] 3" Cat Back Exhaust | ES - SW09 - CBS - JDMuscleCat Back Exhaust SystemES-SW09-CBS
    XForce

    3" Cat-Back Exhaust

    Fits: 08-14 WRX STI, 11-14 WRX Hatchback

    Only 10 left
    $71550$795.00 Save $79.50
    Pay over time · Est. $22.36/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 $111.20 off
    ETS 15 - 21 WRX / 15 - 18 STI Axle Back Exhaust Burnt Tips w/ Muffler | 200 - 30 - EXH - 004 - JDMuscleAxle Back ExhaustsETS200-30-EXH-004
    Extreme Turbo Systems
    Black Friday Deal: 16% Off Ends 11/30
    $58380$695.00 Save $111.20
    Pay over time · Est. $18.24/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 $125.10 off
    ETS Top Mount Intercooler Silver Core w/ Stencil Subaru STI 2008 - 2015 | 200 - 20 - IC - 043 - JDMuscleIntercoolersETS200-20-IC-043
    Extreme Turbo Systems
    Black Friday Deal: 18% Off Ends 11/30
    $56990$695.00 Save $125.10
    Pay over time · Est. $17.81/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.

  • Verus Engineering 15 - 21 WRX / 15 - 21 STI Street Side Splitter Kit | A0189A - JDMuscleSide SkirtsVERA0189A
    Verus Engineering

    Street Side Splitter Kit

    Fits: 15-21 WRX/STI

    $32340
    Pay over time · Est. $10.11/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.