Erm Im pretty sure Dal said a few days/weeks ago in a thread that mountune's exhaust is a piper manifold and sports cat with a milltek catback. If your not sure pm him or ring mountune pretty sure thats what he said though
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Colorado Red 07 Plate ST

Mountune CAIS - 60mm Throttle Body - Full Resonated Milltek System - Bilstein B12's - 300mm front discs - Gloss Black Team Dynamics Pro Race 3's - Tints - Red-Black DMB Badges and loads of eBay stuff...