>This is not. The B15 systems from Stromung are both 2.25" from the cat >to the muffler, for both SR and QR-powered cars. I was also under the >impression that th QG B15s were also fitted with the 2.25" pipes. Just so everyone knows there is no B14 SR20DE exhaust from Stromung. They make a 1.6 version that has 2.0 inch piping but that is it. Steve