Darrenb10 Member 35 Member For: 7y 5m Posted 07/04/18 12:55 PM Share Posted 07/04/18 12:55 PM Hey guys. I have a 335 kw bf with a full exhaust system with standard rear muffler. Just wondering if I take the rear muffler will it affect my tune or will it need a re tune after cheers Link to comment Share on other sites More sharing options...
k31th less WHY; more WOT Site Developer 29,263 Member For: 16y 10m 16d Gender: Male Location: Melbourne Posted 07/04/18 12:57 PM Share Posted 07/04/18 12:57 PM The rear muffler is fine to change for a straight pipe or a higher flow muffler. Link to comment Share on other sites More sharing options...
Puffwagon Puff Gold Donating Members 16,160 Member For: 10y 28d Gender: Male Location: South Australia Posted 07/04/18 01:01 PM Share Posted 07/04/18 01:01 PM It's a modified ve tuned car and might not take ve changes well. It will lean out a bit. You might need a touch up and you might not. Ask your tuner. Link to comment Share on other sites More sharing options...
Darrenb10 Member 35 Member For: 7y 5m Posted 07/04/18 09:33 PM Author Share Posted 07/04/18 09:33 PM No worries thanks guys Link to comment Share on other sites More sharing options...
Rab WOT? Moderating Team 10,981 Member For: 12y 1d Gender: Male Location: Frankston, 3199 Posted 08/04/18 01:15 PM Share Posted 08/04/18 01:15 PM Yeah - stock rear is fine to ditch, doesn't change the flow Built system.... who knows Link to comment Share on other sites More sharing options...
Puffwagon Puff Gold Donating Members 16,160 Member For: 10y 28d Gender: Male Location: South Australia Posted 08/04/18 01:26 PM Share Posted 08/04/18 01:26 PM A stock tune has heaps of fuel. A tuned car could already be at 12.5:1 up top and might not like being a couple of points leaner. It's a timing/fuel trade off around this area. Link to comment Share on other sites More sharing options...
Box stock T. Member 1,384 Member For: 9y 10m 19d Posted 08/04/18 01:50 PM Share Posted 08/04/18 01:50 PM What this guy said ^^^^ delete pipe or more free flowing system may need a tickle up on the tune. I brought this same question up with my tuna.. Definitely worth giving ya tuna a quick buzz, especially since ya up in the 330+ range. Link to comment Share on other sites More sharing options...
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