Next generation electronically actuated diverter valve engineered for modern turbo engines with a true plug-and-play design!
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Delivers improved power, sound, and acceleration to B9 Audi S4/S5 owners in a clean OEM+ package!
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Clean your intake duct without removing it
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! We Price Match - Give Us A Call or Chat! Ground ship only in the contiguous U.S.
Brand:
ES#:
3514639
Mfg#:
20208KT
In Stock
$21.73
This product was last offered at the strikethrough price on 12-11-2025
The high performance intercooler core provides a 134% larger frontal area and 105% more volume compared to the stock mounted intercooler. Includes charge pipe kit.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms **This kit is for European vehicle fitment**
Enhance your engine's performance with gains up to 16 Wheel Horsepower and 15 foot pounds of torque with our ECS Carbon Fiber Cold Air Intake
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Brand:
ES#:
3545247
Mfg#:
023796ECS04
In Stock
ON SALE!
SAVE 15%
$978.86
This product was last offered at the strikethrough price on 05-02-2026
one located on both the charge pipe and inlet after the throttle body
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms We Price Match - Give Us A Call or Chat!
Brand:
ES#:
4849611
Mfg#:
06E906051AC
Ships in 1 Business Day
$97.99
This product was last offered at the strikethrough price on 05-04-2026
Max gains of 16 hp and 3 ft-lbs of torque at the wheels for B9 / 9.5 RS 4 / RS 5 2.9TT (with piggyback tuner)
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All engine performance begins with engine breathing. That's why we have a large inventory of stock and performance intake manifolds, and related intake manifold parts, including MAF sensors, intake hoses, cold air intake systems, and engine air filters for both normally aspirated and forced induction engines. To perform it's best, your engine needs to breathe clean and breathe free.
Lifetime Replacement
