Excellent sound & power - the ultimate performance intake! +6hp & +12lb/ft!
ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4905730
Mfg#:
54-20442SD
EO#:
D-550-38
In Stock
ON SALE!
SAVE 12%
$392.00
This product was last offered at the strikethrough price on 05-02-2026
Red High Temp Nylon Tubing, Quick-Connect Fittings
ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
5425701
Mfg#:
SN0-20010
In Stock
ON SALE!
$520.99
This product was last offered at the strikethrough price on 05-02-2026
This features a shorter tube than a cold-air system for increased performance in an easy to install kit
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms CARB certified for sale in all 50 states For 1999-2000 model years without HID headlights
Upgrade your supercharger to the Prima Plus kit from Active Autowerke! 500+ WHP!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with SMG transmission
Brand:
ES#:
3438848
Mfg#:
12-022
Ships in 10 Business Days
5% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$2249.00
This product was last offered at the strikethrough price on 06-04-2026
425HP/295TQ - a complete power solution for your M3!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with 6 speed manual transmission
Brand:
ES#:
3438847
Mfg#:
12-021
Ships in 10 Business Days
5% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$9375.00
This product was last offered at the strikethrough price on 06-04-2026
Bolt on oil cooler for increased engine oil cooler performance
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Improve your cars performance with this effective and simple upgrade kit!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! For vehicles with production date up to 02/2003 with Valeo alternator
Brand:
ES#:
3980996
Mfg#:
3027882KTKT
Ships on Sep 8, 2026
ON SALE!
$1955.99
This product was last offered at the strikethrough price on 05-02-2026
Improve your cars performance with this effective and simple upgrade kit!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! For vehicles with production date after 02/2003 with Valeo alternator
Brand:
ES#:
3980998
Mfg#:
3027882KKT1
Ships on Sep 8, 2026
ON SALE!
$1955.99
This product was last offered at the strikethrough price on 05-02-2026
Improve your cars performance with this effective and simple upgrade kit!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! For vehicles with production date after 02/2003 with Bosch alternator
Brand:
ES#:
3980994
Mfg#:
2532708KTKT
Ships on Sep 8, 2026
ON SALE!
$1955.99
This product was last offered at the strikethrough price on 05-02-2026
Improve your cars performance with this effective and simple upgrade kit!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! For vehicles with production date up to 02/2003 with Bosch alternator
Brand:
ES#:
3980993
Mfg#:
787406KKT
Ships on Sep 8, 2026
ON SALE!
$1955.99
This product was last offered at the strikethrough price on 05-02-2026
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.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Universal cooler used for: engine oil, transmission oil, power-steering, differential oil, and as a water/coolant heat exchanger.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Universal fitment design - modifications may be necessary to run this cooler
A deeper tone that eliminates the rasp of the M3
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Includes $75 in gift cards for future purchases!
Whether you're racing or upgrading your street car, this piston offers the perfect balance of strength and precision. Specs: 86.50 mm Bore – 1.220 in. CH, -9.40 CC
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
The Mishimoto Essentials Bundle is a comprehensive cooling solution designed to address the notorious "weak points" of the BMW E46 cooling system.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with manual transmission
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
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.
