Increase the overall power at your foot with these upgraded performance downpipes from Racing Dynamics!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For model years 2022+
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
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Increase the overall power at your foot with these upgraded performance downpipes from racing dynamics!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Eliminates the weakest link in your S58’s intake tract, increasing reliability and intake airflow performance
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High-performance, vehicle-specific fuel injector set designed for high-horsepower applications.
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Experience the perfect blend of sound, performance, and style with the MAD Catback Exhaust System
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Upgrade from the stock intake to the MAD Intake Kit for maximum airflow and reliability!
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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 7 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)
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.
