16643 products

  • Up to $14.19 off
    In Stock
    Whiteline 02-07 WRX / 04-07 STI Front Control Arm Inner Rear Bushing | KCA375
    Whiteline
    Only 3 left
    $12769$141.88 Save $14.19
  • Up to $26.69 off
    In Stock
    Whiteline 04-07 STI Rear Sway Bar 22mm Adjustable | BSR37Z
    Whiteline

    Rear Sway Bar 22mm Adjustable

    Fits: 04-07 WRX STI

    Only 5 left
    $24019$266.88 Save $26.69
    Pay over time · Est. $7.51/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 $17.19 off
    In Stock
    Whiteline 08-10 WRX/STI / 05-09 LGT / 09-13 FXT Front Control Arm Lower Inner Rear Bushing | W53353
    Whiteline

    Front Control Arm Lower Inner Rear Bushing

    Fits: 08-10 WRX/STI, 05-09 Legacy GT, 09-13 Forester XT

    Only 4 left
    $15469$171.88 Save $17.19
  • Up to $38.19 off
    In Stock
    Whiteline 11-21 STI / 15-25 WRX Anti Lift Kit Race Version | KCA425M
    Whiteline

    Anti-Lift Kit Race Version

    Fits: 11-21 WRX STI, 15-25 WRX

    Only 4 left
    $34369$381.88 Save $38.19
    Pay over time · Est. $10.74/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 $15.89 off
    In Stock
    Whiteline 08-14 Impreza WRX / 08-14 STI Control Arm Brace | KBR14
    Whiteline

    Front Control Arm Brace

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

    Only 3 left
    $14299$158.88 Save $15.89
  • Up to $6.69 off
    In Stock
    Whiteline 02-04 WRX / 2004 STI / 04-08 FXT Steering Rack Bushings 30mm | KSR202
    Whiteline

    Steering Rack Bushings 30mm

    Fits: 02-04 WRX, 04 WRX STI, 04-08 Forester XT

    $6019$66.88 Save 10%
  • Up to $9.19 off
    In Stock
    Whiteline 02-07 WRX / 04-07 STI / 04-08 FXT Rear Trailing Arm Front Bushing | W61381A
    Whiteline

    Rear Trailing Arm Front Bushing

    Fits: 02-07 WRX, 04-07 WRX STI, 04-08 Forester XT

    Only 19 left
    $8269$91.88 Save 10%
  • Up to $38.09 off
    In Stock
    Whiteline 02-07 WRX / 04-07 STI | Anti Lift Kit Comfort Version | KCA362
    Whiteline

    Anti Lift Kit Comfort Version

    Fits: 02-07 WRX, 04-07 WRX STI

    Only 9 left
    $34279$380.88 Save $38.09
    Pay over time · Est. $10.71/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 $38.89 off
    In Stock
    Whiteline 02-07 WRX / 04-07 STI Anti Lift Kit Race Version |KCA359M
    Whiteline

    Anti Lift Kit Race Version

    Fits: 02-07 WRX, 04-07 WRX STI

    Only 5 left
    $34999$388.88 Save $38.89
    Pay over time · Est. $10.94/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 $6.09 off
    In Stock
    Whiteline 02-07 WRX / 04-07 STI Transmission Crossmember Bushing | W92829
    Whiteline

    Transmission Crossmember Bushing

    Fits: 02-07 WRX, 04-07 WRX STI

    $5479$60.88 Save 10%
  • Up to $5.89 off
    In Stock
    Whiteline 02-07 WRX / 04-07 STI Rear Toe Lock Kit | KCA377
    Whiteline

    Rear Toe Lock Kit

    Fits: 02-07 WRX, 04-07 WRX STI

    Only 4 left
    $5299$58.88 Save 10%
  • Up to $6.09 off
    In Stock
    Whiteline 04-07 WRX / 05-07 STI Rear Differential Bushings | W92835
    Whiteline

    Rear Differential Bushings

    Fits: 04-07 WRX, 05-07 WRX STI

    Only 11 left
    $5479$60.88 Save 10%
  • Up to $7.99 off
    In Stock
    Whiteline 08-14 WRX/STI / 05-09 LGT / 09-16 FXT Rear Differential Positive Power Kit Bushings | KDT906
    Whiteline

    Rear Differential Positive Power Kit Bushings

    Fits: 08-14 WRX, 08-14 WRX STI, 05-09 Legacy GT, 09-16 Forester XT

    $7189$79.88 Save 10%
  • Up to $35.09 off
    In Stock
    Whiteline 08-14 STI Lowering Spring Kit | WSK-SUB004
    Whiteline

    Lowering Spring Kit

    Fits: 08-14 WRX STI

    Only 2 left
    $31579$350.88 Save $35.09
    Pay over time · Est. $9.87/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 $35.09 off
    In Stock
    Whiteline 15-21 STI Lowering Spring Kit | WSK-SUB007
    Whiteline

    Lowering Spring Kit

    Fits: 15-21 WRX STI

    Only 9 left
    $31579$350.88 Save $35.09
    Pay over time · Est. $9.87/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 08-14 WRX/STI Rear Vehicle Essentials Kit | WEK081
    Whiteline

    Rear Vehicle Essentials Kit

    Fits: 08-14 WRX, WRX STI

    Only 1 left
    $72988
    Pay over time · Est. $22.81/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.

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.