21% flow increase over stock - includes tubes & hardware!
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply For vehicles with manual transmission only
Brand:
ES#:
3612833
Mfg#:
46-20233-B
Ships in 3 Business Days
20% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$2545.00
This product was last offered at the strikethrough price on 10-28-2026
The final step in bolt on performance for your N55
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply For 2009 - 2011 Vehicles (JB4 Harness A)
Perfect starter pack for your road to a high horsepower N55!
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply For 2012 + Vehicles (JB4 Harness B)
A step up from the Stage 1 kit, includes larger intercooler and intake kit.
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply For 2012 + Vehicles (JB4 Harness B)
The final step in bolt on performance for your N55
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply For 2012 + Vehicles (JB4 Harness B)
Allows your JB4 to control a WMI pump and solenoid for dynamic progressive flow mapping!
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply For most JB4 applications.
Brand:
ES#:
4715229
Mfg#:
FSB-UNI
Ships on Nov 13, 2026
ON SALE!
$153.00
This product was last offered at the strikethrough price on 05-02-2026
Free up horsepower and torque by letting you engine breathe easier!
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Heavy-duty yet compact tank that is compact and flexible allowing for a wide range of mounting on any flat vertical surface in the trunk.
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Allows your JB4 to control a WMI pump and solenoid for dynamic progressive flow mapping!
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
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
