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
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Perfect starter pack for your road to a high horsepower N55!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! For 2009 - 2011 Vehicles (JB4 Harness A)
A step up from the Stage 1 kit, includes larger intercooler and intake kit.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! For 2009 - 2011 Vehicles (JB4 Harness A)
The final step in bolt on performance for your N55
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! For 2009 - 2011 Vehicles (JB4 Harness A)
Brand:
ES#:
3618847
Mfg#:
E9XN55PPKKT4
Ships in 8 Business Days
$2535.00
This product was last offered at the strikethrough price on 04-20-2026
Perfect starter pack for your road to a high horsepower N55!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! For 2012 + Vehicles (JB4 Harness B)
A step up from the Stage 1 kit, includes larger intercooler and intake kit.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! For 2012 + Vehicles (JB4 Harness B)
The final step in bolt on performance for your N55
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! For 2012 + Vehicles (JB4 Harness B)
Brand:
ES#:
3618849
Mfg#:
E9XN55PPKKT5
Ships in 8 Business Days
$2535.00
This product was last offered at the strikethrough price on 04-20-2026
Increased fueling for bigger power - supports up to 1150whp! Modular design for future upgrades!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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.
