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
Brand:
ES#:
5457438
Mfg#:
UVM.89MM.X2
In Stock
ON SALE!
SAVE 10%
$599.99
This product was last offered at the strikethrough price on 08-25-2026
Includes the left (K04-025) & right (K04-026) side turbochargers with associated installation hardware
10X Entries Into Our F80 M3 Sweepstakes Does NOT include the RS4 or modified intake pipes necessary for a complete install - For a bolt-on solution, please see 034Motorsport's inlet pipe kit 034-145-P002 (ES2864575).
Brand:
ES#:
3247798
Mfg#:
5304988002526KT
Ships in 2 Business Days
$3214.00
This product was last offered at the strikethrough price on 06-19-2026
The biggest issue with the restrictive factory inlet is apparent when you start to increase the power. CTS engineers designed the turbo inlet to be as large as possible; yet still fit perfectly.
Includes the left (K04-025) & right (K04-026) side turbochargers
Does NOT include hardware or the RS4/modified intake pipes necessary for a complete install - For a bolt-on solution, please see 034Motorsport's inlet pipe kit 034-145-P002 (ES2864575).
Brand:
ES#:
4164822
Mfg#:
5304988002526KT3
Ships in 1 Business Day
$3070.99
This product was last offered at the strikethrough price on 07-02-2026
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.
Lifetime Replacement
