The scorpion red power car exhausts are packed with features specifications include designed specifically for the volkswagen polo gti 14tsi 180ps 2010 current downpipe no catalyst resonated pipe diameter 70mmtailpipe nared power valve na 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 are supplied