Milltek Sport ·Part no.: SSXAU953

Audi S8 D4 Quattro - Hi-Flow Sports Cats

Milltek Sport
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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.

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

Documents

Parts

  • MSAU636: LH Hi-Flow Sports Catalyst (under-floor)
  • MSAU637: RH Hi-Flow Sports Catalyst (under-floor)
  • MSAU663: LH 76mm Primary Cat Bypass Downpipe (fits LH Turbo) - MSAU663
  • MSAU664: RH 76mm Primary Cat Bypass Downpipe (fits RH Turbo) - MSAU664
VehicleChassisYearsEngine
AudiS8Audi > S8 > D4 4.0 TFSI quattro Tiptronic > 2013 to 2018D42013–2018D4 4.0 TFSI quattro Tiptronic

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