vaneel Posted April 1, 2015 Share Posted April 1, 2015 (edited) HI, nice to meet you all, my zed had a hole in the exhaust and i bought a cobra exhaust back and mid section. after a few weeks the exhaust is blowing again from what appears to be the centre pipe to y pipe fitting. i guessed it was time to replace the y pipe too but i just had a thought. would the 3inch centre pipe be bigger than the outlet on the y pipe? if so what options do i have? cant afford more than £200 for the next few months and seen plenty of y pipes in this price but all have a 2.25 inlet to 2.5 outlet which means the y pipe is half an inch smaller on the outlet to my centre pipe. i have also seen a 2.5 inlet to 3.0 output but then the inlet is a quarter inch bigger than the output of the down pipes. im lost and not sure what to do for a cheaper fix for now. i cant find any stock y pipes for that matter anyway that dont have 2.25 inlet. do i need to buy a 2.5 to 3.0 y pipe and have the inlet of the y pipe quarter of an inch bigger? kind regards Damien Edited April 1, 2015 by vaneel Quote Link to comment Share on other sites More sharing options...
brillomaster Posted April 1, 2015 Share Posted April 1, 2015 the cobra y pipe will mate straight up to the cobra exhaust, Shirley? and is towards the budget end of the spectrum? Quote Link to comment Share on other sites More sharing options...
vaneel Posted April 1, 2015 Author Share Posted April 1, 2015 (edited) yeah, ive not seen any under £320 i only got rear and mid last time. was looking at a quick £150 job just to get me by short term, but even OEm ones come up as either 2.25 - 2.5 or 2.5 - 3.0, either one wont fit. can anyone confirm is a 2.5 will mate up with a 2.25 ok without any leak problems? Edited April 1, 2015 by vaneel Quote Link to comment Share on other sites More sharing options...
GMballistic Posted April 1, 2015 Share Posted April 1, 2015 yeah, ive not seen any under £320 i only got rear and mid last time. was looking at a quick £150 job just to get me by short term, but even OEm ones come up as either 2.25 - 2.5 or 2.5 - 3.0, either one wont fit. can anyone confirm is a 2.5 will mate up with a 2.25 ok without any leak problems? Try a PM (private message) to Mitz at the Cougar Store. He should be able to help one way or another with advice. Link: http://www.350z-uk.com/forum/94-cougar-store/ http://cougarstore.co.uk/index.php?main_page=product_info&cPath=1_10&products_id=112&zenid=bcaa60565806895c2c0f2d2ff1b32aee Your other option is to take the car to a custom exhaust manufacturer. Somewhere like "Longlife" will be able to make you a custom Y-pipe to fit which I'd imagine would be well within your budget. I had a complete Cat to back exhaust system made at Longlife for a Civic Type R some years ago and it was £300 for everything including fitting. One in West Thurrock, Essex ~ Link: http://www.longlife.co.uk/depots/stainless-steel-exhauts-west-thurrock/ Quote Link to comment Share on other sites More sharing options...
vaneel Posted April 19, 2015 Author Share Posted April 19, 2015 All done. needed New Y pipe and even though the new pipe was bigger the flanges matched perfectly. Quote Link to comment Share on other sites More sharing options...
GMballistic Posted April 19, 2015 Share Posted April 19, 2015 ^^ Glad it's all sorted now. Quote Link to comment Share on other sites More sharing options...
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