Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Boost your E46 330i to 320BHP with this Active Autowerke supercharger kit!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For model years 1999-2002 ~ Call in to provide vin before purchase For model years 1999-2002 ~ Call in to provide vin before purchase
Boost your E46 330i to 320BHP with this Active Autowerke supercharger kit!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For model years 2003+ ~ Call in to provide vin before purchase For model years 2003+ ~ Call in to provide vin before purchase
Transform your sound into a true sports car
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Includes $75 in gift cards for future purchases!
Offers a seamless transition from the turbine housing to your custom plumbing, minimizing turbulence and maximizing efficiency for high-horsepower builds.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
5446634
Mfg#:
GARROUTT4G4045
Ships in 10 Business Days
ON SALE!
SAVE 15%
$37.99
This product was last offered at the strikethrough price on 07-02-2026
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Improve your cars performance with a power pack that includes effective, easy to do upgrades!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! For vehicles with Bosch alternator and production date from 02/2003
Brand:
ES#:
3618083
Mfg#:
E46330PPKT1
Ships on Aug 11, 2026
ON SALE!
SAVE 19%
$788.99
This product was last offered at the strikethrough price on 05-02-2026
Improve your cars performance with a power pack that includes effective, easy to do upgrades!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! For vehicles with Valeo alternator and production date from 02/2003
Brand:
ES#:
3618096
Mfg#:
E46330PPKT2
Ships on Aug 11, 2026
ON SALE!
SAVE 19%
$788.99
This product was last offered at the strikethrough price on 05-02-2026
Improve your cars performance with a power pack that includes effective, easy to do upgrades!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! For vehicles with Valeo alternator and production date up to 02/2003
Brand:
ES#:
3618097
Mfg#:
E46330PPKT3
Ships on Aug 11, 2026
ON SALE!
SAVE 19%
$788.99
This product was last offered at the strikethrough price on 05-02-2026
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.