Just a short report that we fired up the Phantom CSP2 (for now ..) car for the first time with its new Simpson full race exhaust. Apart from being a work of art (see FB post), it was a noise consistent 95.8 db at 5000rpm.... so well within limits and the sound -strangely, like a racing car.
Thus can thoroughly recommend Matt Simpson to all. they care, like our cars and what we do and will construct that which fits your car the best to get the most out of the engine and minimise the sound (without back pressure). The can is properly repackable too without having to tear the wadding apart and ram it in ..