Scorpion Exhaust Primary Cat-Back Quad Daytona - BMW 1M COUPE 2011 - 2012 Valves Manufacturer part number: 0022531

Manufacturer part number: 0022531

FE 450 17-23

Manufacturer part number: 630393

Manufacturer part number: MDS03031

YAMAHA YZ 125  2003

Scorpion Exhaust Primary Cat-Back Quad Daytona - BMW 1M COUPE 2011 - 2012 Valves Manufacturer part number: 0022531The Scorpion Car Exhaust Primary Cat Back System BMW 1M COUPE 2011 2012 is part of the latest Scorpion Exhausts collection. PRIMARY CAT BACK SYSTEM A catalyst is a key component in emission control. It is also the most restrictive component of an exhaust. Our Sports Catalysts increase the gas flow while maintaining filtration rates. Our decats simply replace the catalyst altogether for the ultimate flow rate. Pipe Diameter 76mm Tailpipe Quad 76mm