Delivers improved power, induction noises, and overall performance in a attractive, clean, and cost-effective package.
2X Entries Into Our F80 M3 Sweepstakes
Stock sized valve head diameter, factory triple groove keeper setup - Includes Supertech valves and IE valve seals
10X Entries Into Our F80 M3 Sweepstakes *Existing factory triple-groove valve keepers are to be reused*
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
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
