NUTKIN Posted October 12, 2010 Share Posted October 12, 2010 Iv got an 94 Auto NA supra but want it loud. If i take all the cats out an just have basically a straight threw exhaust to a 5inch back box will this affect my power much because of lack of back pressure. Has anyone done this. I no about mot wise its a no no but thats not a problem, i can swap exhausts about once a year. Quote Link to comment Share on other sites More sharing options...
Fitz Posted October 12, 2010 Share Posted October 12, 2010 Full Decat + 5 inch Back Box = Ludacrisly Loud, won't do anything impressive in terms of power as it's a small modification on a limited engine (without spending large sums of money). Doubt I'd want anything bigger than a 3.5" back box at the most on an NA Quote Link to comment Share on other sites More sharing options...
NUTKIN Posted October 12, 2010 Author Share Posted October 12, 2010 so should leave 1 cat in, my TT had 2 but not sure if NA has 1 or 2 but leave 1 in at least an just have backbox an that should be ok then ? Quote Link to comment Share on other sites More sharing options...
w41k3r Posted October 13, 2010 Share Posted October 13, 2010 i have double decat 3 inch pipework catback system on my n/a i love its noise, shame the neighbours dont theres a vid if you search my threads somewhere Quote Link to comment Share on other sites More sharing options...
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