The LAST diverter valve you'll ever need! Billet aluminum construction and heavy-duty Viton o-rings make for the ultimate upgrade in longevity and performance.
10X Entries Into Our F80 M3 Sweepstakes
Brand:
ES#:
4839641
Mfg#:
013907LA01-01KT
In Stock
ON SALE!
SAVE 25%
$333.99
This product was last offered at the strikethrough price on 06-13-2026
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
Brand:
ES#:
5457431
Mfg#:
UVM.63MM.X2
In Stock
ON SALE!
SAVE 10%
$599.99
This product was last offered at the strikethrough price on 08-25-2026
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
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 an ethanol content sensor with bracket, bespoke wiring harness, a fuse tap harness, quick connect fuel fittings, and an ECU pin locator template and pin tool
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
