asromanut Member 50 Member For: 21y 5m 12d Location: Melbourne Posted 21/08/06 07:22 AM Share Posted 21/08/06 07:22 AM Ive got the following modifications to my BF 6speed Autocuston edit and tune from nizprovalve springsdrilled injectorsso far my power is up around the 270rwkw mark.. my question is if I gut the cat how much of an increase in power and torque should I expect?I know some of u dont agree with what I might be doing but I just want your opinions that's all.. im going to get it retuned after I gut itMark Link to comment Share on other sites More sharing options...
Fat-Tony Member 5,364 Member For: 18y 7m 29d Posted 21/08/06 07:24 AM Share Posted 21/08/06 07:24 AM Gut it or pipe it? theres a difference Link to comment Share on other sites More sharing options...
ENVY-T CNUTOX Donating Members 3,098 Member For: 21y 10m 14d Gender: Male Location: Not sure? Posted 21/08/06 07:29 AM Share Posted 21/08/06 07:29 AM You should get around 30 rwkws. that's what I have seen .Makes the car sound much nicer too. Link to comment Share on other sites More sharing options...
asromanut Member 50 Member For: 21y 5m 12d Location: Melbourne Posted 21/08/06 07:30 AM Author Share Posted 21/08/06 07:30 AM gutting it, keeping the stock ford cat but removing the insides Link to comment Share on other sites More sharing options...
Fat-Tony Member 5,364 Member For: 18y 7m 29d Posted 21/08/06 07:32 AM Share Posted 21/08/06 07:32 AM if you are removing the insides of the cat and leaving it, it will cause a bottle neck in your exhaust and sound tinny to. Putting a pipe through the cat is the way to go. Link to comment Share on other sites More sharing options...
LTSBGY Member 259 Member For: 18y 10m 2d Posted 21/08/06 07:34 AM Share Posted 21/08/06 07:34 AM (edited) How do you gut the cat when its only flanged on one side? Do you have to cut it off and then reweld it or can you get the welded side flanged and then take it off and put it on whenever you want?How do you put a pipe through the cat? What is the size that can fit in there?Nesh Edited 21/08/06 07:37 AM by nesh Link to comment Share on other sites More sharing options...
ENVY-T CNUTOX Donating Members 3,098 Member For: 21y 10m 14d Gender: Male Location: Not sure? Posted 21/08/06 07:38 AM Share Posted 21/08/06 07:38 AM Hey fat your right about the tinny sound when it's idling, but man, under WOT conditions.. And Nesh, yes it's a full cut and shut jobby. Link to comment Share on other sites More sharing options...
LTSBGY Member 259 Member For: 18y 10m 2d Posted 21/08/06 07:44 AM Share Posted 21/08/06 07:44 AM So can any exhaust place do it for you? Also how much? Who did yours ENVY?Nesh Link to comment Share on other sites More sharing options...
Fat-Tony Member 5,364 Member For: 18y 7m 29d Posted 21/08/06 07:45 AM Share Posted 21/08/06 07:45 AM Hey fat your right about the tinny sound when it's idling, but man, under WOT conditions.. And Nesh, yes it's a full cut and shut jobby.←there is a way to fix that tinny sound Link to comment Share on other sites More sharing options...
Fat-Tony Member 5,364 Member For: 18y 7m 29d Posted 21/08/06 07:46 AM Share Posted 21/08/06 07:46 AM So can any exhaust place do it for you? Also how much? Who did yours ENVY?Nesh←doing this is illegal, so finding a exhaust shop to do it might be a bit of a hassle Link to comment Share on other sites More sharing options...
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