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
Gain up to 49 horsepower and 91 lb-ft of torque on 91 Octane
This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next
Gain up to 109 horsepower and 30 lb-ft of torque on 28 Octane
This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next
Gain up to 32 horsepower and 20 lb-ft of torque on 91 Octane
This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next
Crafted from 2.5” CNC mandrel-bent U.S.-sourced T304 stainless steel and delivers a civilized, smoothed tone throughout the range.
2X Entries Into Our F80 M3 Sweepstakes
Gain up to 75 horsepower and 85 lb-ft of torque on 91 Octane
This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next
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.
Let us help you find the parts that fit your
Porsche
