Increase of +35 Horsepower, and +64 Torque! Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Increase of +65 Horsepower, and +106 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance exhausts & high-flow air filters!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
100% Bolt-on installation / Upgrade. You are required to ship Weistec your OE turbochargers as a core.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms You are required to ship Weistec your OE turbochargers as a core.
Takes you from stock 562 Horsepower, up to 900+ Horsepower, and from stock 406lb-ft Torque, up to 670lb-ft Torque! For an increase of +338 Horsepower, and +246 Torque!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Increase of +134 Horsepower, and +215 Torque! Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicle's equipped to run E85 Fuel
Increase of +49 Horsepower, and +27 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance exhausts & high-flow air filters!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Increase of +141 Horsepower, and +192 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance exhausts & high-flow air filters!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Increase of +149 Horsepower, and +240 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance exhausts & high-flow air filters!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicle's equipped to run E85 Fuel
Increase of +121 Horsepower, and +172 Torque! Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Unleash the full potential of your Audi S3 8V with the XFORCE VAREX 3” cat-back—race-bred performance, app-controlled sound, and head-turning quad-tip style in one complete stainless system.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
5435114
Mfg#:
ES-AS313H-VMKSB-
Ships in 1 Business Day
ON SALE!
SAVE 10%
$1597.99
This product was last offered at the strikethrough price on 06-30-2026
Take total command of your Audi RS3 8V Sedan with the XFORCE 3.5” VAREX cat-back—OEM-integrated SmartBox control, race-bred flow, and on-demand sound that adapts to every drive.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
5435140
Mfg#:
ESRS38VSVKSB
Ships in 1 Business Day
ON SALE!
SAVE 10%
$2474.99
This product was last offered at the strikethrough price on 06-30-2026
Transform your Audi RS3 8V Sedan with the XFORCE VAREX 3.5” valved cat-back OEM+ fitment, commanding race-ready sound on demand, and refined cruising at the push of a button.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
5435121
Mfg#:
ESRS38VSVKCS
Ships in 1 Business Day
ON SALE!
SAVE 10%
$2294.99
This product was last offered at the strikethrough price on 06-30-2026
Unleash your Audi RS3 8Y Sedan with the XFORCE VAREX 3” cat-back—bolt-on performance, aggressive on-demand sound, and enhanced power for a truly exhilarating drive.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
5435144
Mfg#:
ESRS38YSVKCS
Ships in 1 Business Day
ON SALE!
SAVE 10%
$2294.99
This product was last offered at the strikethrough price on 06-30-2026
SuperDuper Charger Throttle Body Adapter included in the SuperDuper S34 Insuction Bundle
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms This kit includes the Cast throttle body adapter ONLY, Purchase this kit if you already have an 84MM VDO Throttle body & S34 Intake System
Brand:
ES#:
4858206
Mfg#:
034-108-1901
Ships in 2 Business Days
ON SALE!
SAVE 10%
$380.00
This product was last offered at the strikethrough price on 06-28-2026
Direct Replacement for Agency Power Cold Air / Short Ram Intake System - AP-MK7-110
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms To be used with Agency Power Intake Kit AP-MK7-110
Our name says it all. That's why ECS Tuning is dedicated to providing our customers with the broadest possible assortment of engine tuning options at a range of prices and options to fit any budget. Start small and grow your car into something special with performance engine upgrades from a company that has tuning in its name and its blood.
Lifetime Replacement
