B2B PRODUCT
Audi A3 2.0 TFSI quattro Sedan 8V (US-only) 2014 2020 Large Bore Downpipe and Hi-Flow Sports Cat Must be fitted with Milltek Sport cat-back system and requires a Stage 2 ECU remap
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Product information
Audi A3 2.0 TFSI quattro Sedan 8V (US-only) 2014 2020 Large Bore Downpipe and Hi-Flow Sports Cat Must be fitted with Milltek Sport cat-back system and requires a Stage 2 ECU remap