Fabspeed BMW N63/S63 Sport Cat Downpipes (2008-2014) Brakes Fabspeed Audi SQ8 Sport Catalytic

Fabspeed Audi SQ8 Sport Catalytic Converters replace the restrictive factory cats with high-performance German-imported 200-cell HJS catalytic converters for significantly improved performance and sound

8L Twin Turbo V8 vehicles (2011+)

testing and building high velocity merge collectors

The shrouds follow the design curves of the housings and extend to the inside wheel arches where a rubber seal allows for movement of the intakes with the engine

Fabspeed BMW N63/S63 Sport Cat Downpipes (2008-2014) Brakes Fabspeed Audi SQ8 Sport CatalyticReplaces the restrictive factory catalytic converters with high flow 200 cell HJS cats for more sound and power. FITMENT: X6 xDrive50i (2008 2012) X6 ActiveHybrid (2010) X6 M (2010 2012) X5 xDrive50i (2011 2012) X5 M (2010 2012) 550i (2011 2012) 550i xDrive (2011 2012) 550i GT (2010 2012) 550i GT xDrive 2010 2012) Alpina B7 (2011 2012) Alpina B7L (2011 2012) Alpina B7 xDrive (2011 2012) Alpina B7L xDrive (2011 2012) 750i (2010 2012) 750i xDrive (2011