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Hi Guys
Having had alot of sports cars ive had abit of drone on some of my cars. Sometimes it takes a few hundred miles for the new exhaust to coke up abit as the sound should gradually deepen with time and that resonance might lessen then. Picking up my car soon so will soon see.
How many miles does the demo have on it?
Of course if its obviously faulty then get them to sort it. Could be heat-shield resonance or CAT problem as they could well use racing CATs. Perhaps a good quality sound clip might be helpful guys
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