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. – .
Catalytic Converter, Catalytic Converter ### Exhaust, Engine, Exhaust, Exhaust Parts
Milltek Catalysts – Audi D4 S8 4.0T Quattro
Original price was: $4,842.00.$299.99Current price is: $299.99.
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