fuldhat Posted June 6, 2011 Share Posted June 6, 2011 Hi Guys.. Found this "test" at PHR site. Good gains from just ½ inch.. http://powerhouseracinginc.blogspot.com/2011/01/febuary-2011-modified-tech-feature-with.html Enjoy! Link to comment Share on other sites More sharing options...
welshbuddy Posted June 6, 2011 Share Posted June 6, 2011 52bhp is alot for 1/2 inch Link to comment Share on other sites More sharing options...
JamieP Posted June 6, 2011 Share Posted June 6, 2011 My car felt like it lost a 100bhp when i tried out a 3" system last year, i could not wait to get the 4" system back on. Link to comment Share on other sites More sharing options...
johnny g Posted June 6, 2011 Share Posted June 6, 2011 If I could keep my current exhaust/dB levels, then I'd go 4", but they're too loud for me really. Link to comment Share on other sites More sharing options...
JamieP Posted June 6, 2011 Share Posted June 6, 2011 If I could keep my current exhaust/dB levels, then I'd go 4", but they're too loud for me really. It can be done, i have a huge 4" back box i use when i need to be quiet, does not seem to restrict it. Link to comment Share on other sites More sharing options...
johnny g Posted June 6, 2011 Share Posted June 6, 2011 Hmm. I have been toying with getting a 4" made with silencers and use of those exhaust cutouts activated at boost... Still a way off yet, I want to enjoy it for a bit Link to comment Share on other sites More sharing options...
JamieP Posted June 6, 2011 Share Posted June 6, 2011 Hmm. I have been toying with getting a 4" made with silencers and use of those exhaust cutouts activated at boost... Still a way off yet, I want to enjoy it for a bit Paul does a 4" twin box system, the first one was a bit loud still but he told me he now makes them with bigger box's, should do the job, hows your car coming on? oil pump changed yet? Link to comment Share on other sites More sharing options...
suprafan72 Posted June 6, 2011 Share Posted June 6, 2011 To be honest i have the 3.5 system front and mid pipe and not impressed at all Link to comment Share on other sites More sharing options...
johnny g Posted June 6, 2011 Share Posted June 6, 2011 Paul does a 4" twin box system, the first one was a bit loud still but he told me he now makes them with bigger box's, should do the job, hows your car coming on? oil pump changed yet? All ok mate, oil being done this weekemd. I'm off to Florida soon though, holiday home-hunting! So I've told Hodge I'll just pick it up when I'm back in mid-July. I might even pop in to Titan again Link to comment Share on other sites More sharing options...
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