Keep your emissions in check
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms *Not legal for sale, installation or use on vehicles registered in the state of California or Colorado* New York & Federal Compliant. Not for use in California or Colorado.
Controls the boost pressure on turbocharger systems
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Comes with everything you need to replace your incredibly heavy, OEM battery with a lightweight battery and relocate it to the trunk of your B6-B7 S4 or A4!
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Each rotor weighs 2.5lbs less than stock for a total of 5lbs weight savings, 18% lighter than stock
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Shaves 6lbs of unsprung weight from the rear of your car while increasing braking performance.
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Required software to properly upgrade to a K04 turbocharger
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! This upgrade must be performed at ECS Tuning's facility in Ohio. This upgrade can only be performed with the car present at our facility.
Includes Liqui Moly oil, Hengst filter, magnetic drain plug, and aluminum filter housing
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Seals the throttle body to the intake manifold
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Includes all gaskets and hardware
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Brand:
ES#:
2587509
Mfg#:
06F253039FKT3
In Stock
ON SALE!
SAVE 13%
$201.99
This product was last offered at the strikethrough price on 05-02-2026
Includes front (32mm) and rear (20mm) adjustable sway bars with required bushings
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Exclusively built for your 57.1mm centerbore VW/Audi
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Brand:
ES#:
250710
Mfg#:
002403ECS03A18KT
In Stock
ON SALE!
SAVE 25%
$154.99
This product was last offered at the strikethrough price on 06-13-2026