XR64LT Donating Members 678 Member For: 16y 3m 8d Gender: Male Location: sydney Posted 21/02/10 11:12 AM Share Posted 21/02/10 11:12 AM (edited) Ok guys, sorry if this has allready been covered but I just wanted to know how much power will standard exhaust take as I was tossing up between getting a turbo back exhaust or an intercooler kit. I was just worried that with say a full exhaust the monza wouldnt cope with the new power levels and/or with an intercooler kit the exhaust wouldnt cope if that makes sense.P.S I also have a 5" ballistic cat installed.Thanks Leo Edited 21/02/10 11:12 AM by XR64LT Link to comment Share on other sites More sharing options...
Johnny G Team Grandpa Qualified Donating Members 809 Member For: 19y 2m 2d Gender: Male Location: Brisbane North. Posted 21/02/10 11:20 AM Share Posted 21/02/10 11:20 AM (edited) A good quality dump and cat with a standard exhaust on a BF will run 290 - 300. Beyond that - volume and flow are king, and you'll need to do the rest with something greater than the twin 2 and a quarter restriction. Refer to the pinned information in the exhaust section. Edited 21/02/10 11:23 AM by Johnny G Link to comment Share on other sites More sharing options...
bcl Toughest BA Turbo Lifetime Members 3,408 Member For: 21y 3m 22d Gender: Male Location: Sydney Posted 21/02/10 11:34 AM Share Posted 21/02/10 11:34 AM This was a key issue from late 2003 with the BA.Better to upgrade the Intercooler first , as it is the bigger power restricter.If you are after a cost effective solution do the Intercooler upgrade and get a free flowing cat, with appropriate tune.Brian Link to comment Share on other sites More sharing options...
kirjo Member 113 Member For: 14y 10m Gender: Male Location: Brisbane Posted 21/02/10 11:36 AM Share Posted 21/02/10 11:36 AM I've seen a full stock BA exhaust produce 280RWKW. Surely a good dump and decent cat with the centre muffler removed should see you through to mid 300s? Link to comment Share on other sites More sharing options...
boosted_XR Member 364 Member For: 15y 9m 1d Posted 21/02/10 11:43 AM Share Posted 21/02/10 11:43 AM I had 328rwkw with stock exhaust but had center muffler removed, dunno if that would of made a big difference. Link to comment Share on other sites More sharing options...
F6turbo Member 172 Member For: 17y 10m 12d Gender: Male Location: Sydney Posted 21/02/10 11:55 AM Share Posted 21/02/10 11:55 AM I have 338rwkw with a high flow cat in the standard exhaust in a BF2.HEAPS of guys running 300+ with just a hi flow cat, standard system is decent. Link to comment Share on other sites More sharing options...
XR64LT Donating Members 678 Member For: 16y 3m 8d Gender: Male Location: sydney Posted 21/02/10 12:20 PM Author Share Posted 21/02/10 12:20 PM Sorry guys well I allready have the hi flowing cat installed as well as removing the rear muffler, so with the intercooler kit my exhaust should still flow pretty well?? Link to comment Share on other sites More sharing options...
F6turbo Member 172 Member For: 17y 10m 12d Gender: Male Location: Sydney Posted 23/02/10 08:38 AM Share Posted 23/02/10 08:38 AM Yes, with the mods in your sig u should easily see 300+rwkw with a good tune. Link to comment Share on other sites More sharing options...
XR64LT Donating Members 678 Member For: 16y 3m 8d Gender: Male Location: sydney Posted 23/02/10 09:42 AM Author Share Posted 23/02/10 09:42 AM farrkk, I didnt think it would be that much.Leo Link to comment Share on other sites More sharing options...
kirjo Member 113 Member For: 14y 10m Gender: Male Location: Brisbane Posted 23/02/10 01:59 PM Share Posted 23/02/10 01:59 PM My tune today 262RWKW is all the stocko exhaust would allow..... Link to comment Share on other sites More sharing options...
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