The scorpion red power car exhausts are packed with features specifications include designed specifically for the subaru brz 2012 current secondary cat back system non resonated includes the following components link pipe no silencer link pipe rear silencer tailpipe set polished fitting kit pipe diameter 635mmtailpipe twin 100mm daytonared power valve no british manufactured all scorpion exhausts are hand crafted by scorpion automotive engineers in derbyshire uk