I always thought they were both pretty much the same. I have a Grimmspeed.
In regards to the noise, if the exhaust is new then it may be hitting some of the rear suspension in higher revs/on WOT. Mine did this (was vibrating against one of the lower control arms) and it sounded like someone was rattling a Milo tin full of little pieces of metal. I got the boys at STechnic to fiddle with the rubbers/hangers and reposition the exhaust a tad and now it doesn't rub.
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[I]trolololol[/I]
Last edited by TROLLEY; 05-09-2013 at 10:07 PM.
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