The scorpion red power car exhausts are packed with features specifications include designed specifically for the volkswagen polo gti 14tsi 180ps 2010 current cat back system non resonated pipe diameter 70mmtailpipe twin 90mm daytona red power valve no british manufactured all scorpion exhausts are hand crafted by scorpion automotive engineers in derbyshire uk guarantee all scorpion car products are guaranteed for life fittingsinstructions all scorpion products