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Old 18-02-2013, 10:11 PM   #1
FF.Com.Au Hardcore
mex351's Avatar
Join Date: Feb 2005
Location: Wagga
Posts: 1,903
Default Mufflers?

Hey guys after some info on a street exhaust for my ute.To start with it really is more a limited weekend use deal that I want to ET more than anything.That said I'm happy to swap mufflers from race to street.

The car is a XF ute with a 250 x-flow,it has about 11.7 comp Surecam solid with 286 @ 50th and 645th lift with a 650DP MSD ported head,grouted block,bottom end stud kit girdle and tray along with a C4 4500 convertor and 4.11 gears running a set of paceys with 3"collectors and a single 3"pipe with a Di Fillipo large body off set muffler.Now it's insanely loud due to the cam shaft engine combo I know and under anything from 2000 to 3000rpm at light throttle it sounds like a B&S ute.I would like to quieten it down so I could drive it to work every now and then or go for a cruise too.I was advised to look into the Dyno max VT mufflers as they have some sort of variable butterfly than only opens when your into it but I'm happy to look and listen to any advice.

Quick vid in car testing RPM limiter...


Even at idle it's loud with a full length exhaust but under RPM it's silly loud which is fine at the track but no good for the street.
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