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Looking at the pics it looks like I have the same exhaust. it is all over ebay UK. I had this fitted and it was quite loud, standard UK cats. I then fitted the generic ebay UK manifolds or headers, and it quietened it down a fair bit. I have done lots of dyno runs and the exhaust system does show a power and torque gain. You can also try to add a balance pipe between the 2 boxes as this will lessen the drone and noise.
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Current: 550 Spyder Anniversary- Carnewal exhaust - 100 cell cats - stainless manifolds - 4" underdrive pulley - poly gearbox mounts - rear lower alu brace - adjustable rear toe links
Sold: 986S - Zenith Blue - 18" Sport Classics - Black Zunsport grilles - Stainless silencer and manifolds - K&N panel - shortshift - M030 suspension - 75mm throttle body - custom 83mm intake - SmartTop - custom remap - MDS underdrive pulley
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