paul_bish Posted March 19, 2013 Share Posted March 19, 2013 its the curved part below the vertical stack and the engine/turbo I am interested in Thanks in advance Quote Link to comment Share on other sites More sharing options...
sprockett2103 Posted March 19, 2013 Share Posted March 19, 2013 ive got an old pipe thats going for scrap if you want it, started welding up the huge hole then decided on a new one... you could either repair it or use it as a template Quote Link to comment Share on other sites More sharing options...
paul_bish Posted March 19, 2013 Author Share Posted March 19, 2013 yes...thats my problem. Rainwater has collected and there is no bottom at all on the exhaust. Was thinking I could replace with some of that flexible exhaust pipe. Thanks for the offer though Quote Link to comment Share on other sites More sharing options...
deadline Posted March 19, 2013 Share Posted March 19, 2013 If you install a new j-pipe (that's whats its called) drill a small (couple of 32's of an inch) hole at the lowest point to let the water out. Other popular remedies are: self closing stack cap, switching to a stainless steel j-pipe, tin can at the top when not driving it and driving it more And the diameter of the tube is for the j-pipe is the same as every other tube in the exhaust stack... after the turbo the tube diameter does not vary. Quote Link to comment Share on other sites More sharing options...
paul_bish Posted March 20, 2013 Author Share Posted March 20, 2013 If you install a new j-pipe (that's whats its called) drill a small (couple of 32's of an inch) hole at the lowest point to let the water out. Other popular remedies are: self closing stack cap, switching to a stainless steel j-pipe, tin can at the top when not driving it and driving it more And the diameter of the tube is for the j-pipe is the same as every other tube in the exhaust stack... after the turbo the tube diameter does not vary. Cheers. Having holes is OK with exhaust fumes? I think I will put a can in the top like my Dad used to do with his trucks. Quote Link to comment Share on other sites More sharing options...
deadline Posted March 20, 2013 Share Posted March 20, 2013 Cheers. Having holes is OK with exhaust fumes? I think I will put a can in the top like my Dad used to do with his trucks. The small hole might let some gas out... but the majority will go up and out the stack. Its a very common modification. You only need a small hole. Considering the amount of smoke a normal M35 can make at startup/idle no one will notice a tiny puff under the wheel arch. Quote Link to comment Share on other sites More sharing options...
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