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
Increase of +40 Horsepower, and +25 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
This system will increase power, reduce weight, and provide a legendary exhaust note!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Requires a S4 Style Quad diffuser on non-S-line rear bumper or an S4 rear diffuser on S-line rear bumper.
This system will increase power, reduce weight, and provide a legendary exhaust note!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Requires a S4 Style Quad diffuser on non-S-line rear bumper or an S4 rear diffuser on S-line rear bumper.
This system will increase power, reduce weight, and provide a legendary exhaust note!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Requires a S4 Style Quad diffuser on non-S-line rear bumper or an S4 rear diffuser on S-line rear bumper.
Great for when more fuel is needed in a custom fueling application
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Replaces the failure-prone factory diaphragm for rock-solid boost control
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles from the 2021 model year only.
Brand:
ES#:
5456834
Mfg#:
VWR144002
Ships in 4 Business Days
ON SALE!
SAVE 10%
$440.99
This product was last offered at the strikethrough price on 06-30-2026
Replaces the failure-prone factory diaphragm for rock-solid boost control
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles up through the 2020 year.
Brand:
ES#:
5456833
Mfg#:
VWR144001
Ships in 4 Business Days
ON SALE!
SAVE 10%
$440.99
This product was last offered at the strikethrough price on 06-30-2026
Higher peak figures of 306 HP with 376 FT-LBS of torque - *with APR PLUS limited powertrain warranty*
Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes! This upgrade must be performed at ECS Tuning's facility in Ohio.
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
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.
