Rob Task Posted January 22, 2019 Share Posted January 22, 2019 Hi I am new to the site and defenders, after a long time being a lurker I took the plunge a got a TD5 90 soft top, and love it. my question is: I am looking at having a custom twin stainless exhaust built and was going to have them rear facing but am concerned about fumes wafting back in to the back when the sides are up in the summer etc... would I be better having the pipes where they are now or moving in from of the rear wheels? can any one help me... many thanks Rob Quote Link to comment Share on other sites More sharing options...
Daan Posted January 22, 2019 Share Posted January 22, 2019 Hi Rob, welcome to the fold. I would suggest the exhaust coming out of the side of the car. I used to have the exhaust exiting through the PTO hole in the rear crossmember, but this indeed made it suck in the exhaust fumes in the car and give me big head aches. Daan Quote Link to comment Share on other sites More sharing options...
Rob Task Posted January 23, 2019 Author Share Posted January 23, 2019 Thanks Daan, what I find now is if the back is open it pulls in the fumes but if i open the sides and the back its not a problem. Having pipes made give me the chance to get a better solution. thanks rob Quote Link to comment Share on other sites More sharing options...
Retroanaconda Posted January 23, 2019 Share Posted January 23, 2019 Generally it exits at the side so that it is drawn into the flow of air past the vehicle, rather than being trapped in the vortex that forms behind it. Quote Link to comment Share on other sites More sharing options...
miketomcat Posted January 23, 2019 Share Posted January 23, 2019 With the top off it should be ok but with the top on and sides/back open you will have problems. Mike Quote Link to comment Share on other sites More sharing options...
Boris113 Posted January 24, 2019 Share Posted January 24, 2019 We used to have a V8 90 with a TD5 rear exhaust section on it and it was fine with the rear canvas rolled up regardless of whether the windows are opened or closed. More recently a v8 series 1 has arrived with an exhaust out of the PTO hole on the crossmember, with the back rolled up it makes your eyes water under acceleration and opening the windows or removing the door tops doesn't seem to make a difference - I'd keep the exhaust exiting to the side personally Quote Link to comment Share on other sites More sharing options...
Rob Task Posted January 24, 2019 Author Share Posted January 24, 2019 thanks guys will going for the side exit, was going to have a one on each side but think I will stick to one to reduce the chances. Quote Link to comment Share on other sites More sharing options...
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