rio New Member 8 Member For: 10y 7m 16d Posted 20/05/17 03:58 PM Share Posted 20/05/17 03:58 PM Just wondering what power the factory cat back can push? I have 4"dump-5"cat, but I am quite happy on how quiet it is off boost and cruising around. Currently making 375rwkw but getting it set up for e85. Just wondering if I should replace the factory cat back? Cheers Link to comment Share on other sites More sharing options...
bossmang FREAKY Donating Members 12,432 Member For: 14y 11m 20d Gender: Male Location: Melbourne Posted 20/05/17 10:55 PM Share Posted 20/05/17 10:55 PM once you go e85 you will be around the 400kw mark. so most guys do get a 3.5inch at least. I would say it will hold you back. otherwise if you happy with low noise around town try the varex mufflers but not cheap. Link to comment Share on other sites More sharing options...
rio New Member 8 Member For: 10y 7m 16d Posted 20/05/17 11:44 PM Author Share Posted 20/05/17 11:44 PM Think I will just have to compromise as im chasing 450+ cheers Link to comment Share on other sites More sharing options...
bossmang FREAKY Donating Members 12,432 Member For: 14y 11m 20d Gender: Male Location: Melbourne Posted 20/05/17 11:47 PM Share Posted 20/05/17 11:47 PM well yer if your going for 450 +++++ def get one then Link to comment Share on other sites More sharing options...
Slowxr6t Member 560 Member For: 6y 11d Location: New zealand Posted 25/01/19 08:36 AM Share Posted 25/01/19 08:36 AM Hi Rio, what turbo did you have on your car and what boost did you run to do 375rwkw? Is it a fg model, Thanks Link to comment Share on other sites More sharing options...
Puffwagon Puff Gold Donating Members 15,965 Member For: 9y 10m 15d Gender: Male Location: South Australia Posted 25/01/19 08:45 AM Share Posted 25/01/19 08:45 AM @Slowxr6t if you want a response from people in an old thread, you should tag them like I tagged you. That way they will receive a forum notification and in some cases an email notification too. You literally type the @ symbol and then start typing their name. It'll come up with a list of members, and when you see their name just click on it. Link to comment Share on other sites More sharing options...
Rab WOT? Moderating Team 10,981 Member For: 11y 9m 19d Gender: Male Location: Frankston, 3199 Posted 25/01/19 08:57 AM Share Posted 25/01/19 08:57 AM Which car? Link to comment Share on other sites More sharing options...
Slowxr6t Member 560 Member For: 6y 11d Location: New zealand Posted 25/01/19 09:00 AM Share Posted 25/01/19 09:00 AM Thanks puff Link to comment Share on other sites More sharing options...
Slowxr6t Member 560 Member For: 6y 11d Location: New zealand Posted 25/01/19 09:19 AM Share Posted 25/01/19 09:19 AM @rioriohi rio, what turbo and what boost were you running when you had 375rwkw on stock cat back exhaust, was it an fg model? Thanks Link to comment Share on other sites More sharing options...
bossmang FREAKY Donating Members 12,432 Member For: 14y 11m 20d Gender: Male Location: Melbourne Posted 25/01/19 09:55 AM Share Posted 25/01/19 09:55 AM its probably a f6 turbo Link to comment Share on other sites More sharing options...
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