sharky_70 0 Posted January 28, 2010 Report Share Posted January 28, 2010 is this gonna be too restrictive? only ive found someone who sells magnaflows in the uk and i love those systems, but only do 2.25" Link to post Share on other sites
rodney 17 Posted January 28, 2010 Report Share Posted January 28, 2010 Subject to power levels yes. Most go closer to 3" but that makes it tight over the rear axle. You may have to oval the pipe. There is info in tuning section on zorts and fi. Link to post Share on other sites
jims13 6 Posted January 28, 2010 Report Share Posted January 28, 2010 my miltek is 2.25 inch and im at circa 400 bhp... its more down to muffler design and bends, although size does help Link to post Share on other sites
sharky_70 0 Posted January 28, 2010 Author Report Share Posted January 28, 2010 well thats pretty much sold it for me thencheers Link to post Share on other sites
FishWick 21 Posted January 28, 2010 Report Share Posted January 28, 2010 I ran a 2.25" SuperSprint on my first turbo setup with no cat and that was OK actually.From 10-15psi I'd favour 2.5" to be honest and over 15psi I'd look into going 3".At the 18-20psi level, the Americans find 40-50whp just from going to 3", from 2.5". I would go 3" if the end result was no louder than my 2.5", but that could be hard to achieve, I can't stand exhaust droning. Sounds chavy and does my head in.The car is quick enough with a 3" CAT and 2.5" exhaust as is :-) Link to post Share on other sites
jims13 6 Posted January 28, 2010 Report Share Posted January 28, 2010 yep kevs spot on, im in the process of going 3" with two big boxes, to stop it sounding chavy. i still think box design has alot to do with it, with my miltek on my car i make near as damm it 350 lbft of torque , granted some of this may be down to the map , and turbo, but it also down in part , to how well it flows out the back of the car Link to post Share on other sites
bungy 2 Posted January 28, 2010 Report Share Posted January 28, 2010 I'm running a 3" Miltek non res and decat and was very surprise with how civilised it can sound round town. Link to post Share on other sites
Recommended Posts