Proven to reduce the air inlet temperature by up to 100 degrees and increase octane by 25points for maximum HP and cooling! 3-liter reservoir, stainless steel braided line, 4AN fittings.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Increase the sound quality along with top end performance on your RS4
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
11361
Mfg#:
8E0253400KT
In Stock
ON SALE!
$482.99
This product was last offered at the strikethrough price on 05-02-2026
A 4 chamber, baffled oil catch can complete with a universal mount and drain system!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
3458255
Mfg#:
022798TMS01-05KT
In Stock
ON SALE!
SAVE 15%
$296.99
This product was last offered at the strikethrough price on 05-02-2026
tubular headers system for the 2006-2008 Audi RS4 Quattro has been developed to get the maximum gains with the popular Supercharger conversion kits.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Universal 3-piece mounting bracket kit for installing a new ECS Oil Catch Can
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
2918376
Mfg#:
003779ECS06KT
In Stock
ON SALE!
SAVE 25%
$93.99
This product was last offered at the strikethrough price on 05-02-2026
Great for when more fuel is needed in a custom fueling application
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms We Price Match - Give Us A Call or Chat!
Lighter, stiffer, and supports higher revving!
Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4690063
Mfg#:
MS100258
In Stock
11% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$69.99
This product was last offered at the strikethrough price on 06-03-2026
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.
Lifetime Replacement
