The scorpion red power car exhausts are packed with features specifications include designed specifically for the vauxhall astra mk5 19 tdci 2005 2009 turbo downpipe includes the following components turbo downpipe turbo downpipefitting kit pipe diameter 635mmtailpipe 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 fittin