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Milltek Catalysts - Audi D4 S8 4.0T Quattro | SSXAU953

$5,196.00

Part# SSXAU953

Important Fitment Note:
Requires a Stage 2 ECU remap Fits only with Milltek Sport Cat Back (lambda cables need extending)

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OEM Catalysts are commonly very dense and restrictive on gas-flow. The Milltek Hi-Flow Sports Catalyst reduces the restriction over the OE catalysts, allowing for a free-flowing exhaust system to improve your engine’s performance. - .

⚠️CALIFORNIA WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

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