Alter parameters and fine-tune � wirelessly!
For use with N54 JB4 systems and any JB4 manufactured prior to 2017. Please check board diagrams to properly identify your JB4 before ordering.
Brand:
ES#:
3508698
Mfg#:
JB4-BT
Ships in 7 Business Days
$149.00
This product was last offered at the strikethrough price on 05-12-2026
Left - Titanium Black Chrome Slash Cut Exhaust Tip - 2.75 Inlet - 3.5 OD
10X Entries Into Our F80 M3 Sweepstakes Not vehicle specific. You MUST measure prior to purchasing!
Brand:
ES#:
4146846
Mfg#:
026732TMS03-10
In Stock
ON SALE!
SAVE 10%
$139.99
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
