Turn up the sound or keep it stealth. This lightweight E46 performance exhaust lets you control the tone instantly with its valved muffler and one-click controller.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
High flow filter replacement to get your engine breathing better than new!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4461001
Mfg#:
012054LA08-DRY
In Stock
ON SALE!
SAVE 25%
$69.99
This product was last offered at the strikethrough price on 05-02-2026
Universal exhaust tips with a swivel adjustability to fine tune your exhaust. 2.5" Inlet & a 3.5" Double Wall, Angle Cut Outlet
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! Can be used on any 2.5" exhaust piping. Measure before ordering.
Brand:
ES#:
4715561
Mfg#:
049478LA03-04KT
In Stock
ON SALE!
SAVE 20%
$109.98
This product was last offered at the strikethrough price on 05-02-2026
Brings true 2D mapped water-methanol injection delivery to your EFI (Electronic Fuel Injected) and forced induction vehicle
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Upgrading cooling for your engine oil
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For custom applications only. Not a direct bolt on.
A 4 chamber, baffled oil catch can with a bottom drain option
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4369814
Mfg#:
022798TMS01-01
In Stock
ON SALE!
SAVE 30%
$213.99
This product was last offered at the strikethrough price on 05-02-2026
Kit includes upper and lower radiator hoses without connections. Silicone hose upgrade and connectors kit ES4315269.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4142065
Mfg#:
006205LA01
In Stock
ON SALE!
SAVE 35%
$156.99
This product was last offered at the strikethrough price on 05-02-2026
Fully brazed two-row aluminum core with TIG-welded end tanks
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with manual transmission
Free-flowing intake featuring a roaring induction noise and increased performance to replace your restrictive factory intake.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4873486
Mfg#:
039102LA01KT
In Stock
ON SALE!
SAVE 15%
$326.99
This product was last offered at the strikethrough price on 05-02-2026
Performance software designed to unlock your BMW's potential. Removes top speed limiter, raises rev limit to 7,000rpm, improves throttle response, and improves power output: +15HP +12LB/FT gains!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
3138953
Mfg#:
N4MS42
In Stock
ON SALE!
SAVE 10%
$349.00
This product was last offered at the strikethrough price on 05-02-2026
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.