Mike D'Silva Posted 31May, 2023 Report Share Posted 31May, 2023 donR, JWM, WOKA and 1 other 4 Quote Link to comment Share on other sites More sharing options...
sydr Posted 31May, 2023 Report Share Posted 31May, 2023 Ah well, I read your thread description and thought that you'd designed an exhaust that did not drone. Now that would be something. Quote Link to comment Share on other sites More sharing options...
Mike D'Silva Posted 31May, 2023 Author Report Share Posted 31May, 2023 25 minutes ago, sydr said: Ah well, I read your thread description and thought that you'd designed an exhaust that did not drone. Now that would be something. ah... sorry... the mis-direction was not intentional!! Quote Link to comment Share on other sites More sharing options...
sydr Posted 31May, 2023 Report Share Posted 31May, 2023 Thanks Mike, I'm sure it was not intentional. The exhaust on my 911 is free flowing, makes good horsepowa, has greatly reduced drone but I'm getting old and intolerant - and at this time of the year, a slightly more effective heater would be a bonus. My dream is zero drone, twin outlets, more effective heat exchanger, all set up to match my rather non standard big bore monster engine. So when I read your thread descriptor and knowing that you've played with exhausts, I thought "aha!" Has anyone found a good, zero drone free flowing exhaust? My 911 is an '84 with GT3 crank and rods, direct to head throttle bodies, fast road cams, twin sparks, high comp, 3.6L one owner since new. I love the car (obviously) and have tried different exhaust systems and the one on the car is good, but I'm looking for nirvana. All suggestions welcomed. Quote Link to comment Share on other sites More sharing options...
Mike D'Silva Posted 31May, 2023 Author Report Share Posted 31May, 2023 19 minutes ago, sydr said: Thanks Mike, I'm sure it was not intentional. The exhaust on my 911 is free flowing, makes good horsepowa, has greatly reduced drone but I'm getting old and intolerant - and at this time of the year, a slightly more effective heater would be a bonus. My dream is zero drone, twin outlets, more effective heat exchanger, all set up to match my rather non standard big bore monster engine. So when I read your thread descriptor and knowing that you've played with exhausts, I thought "aha!" Has anyone found a good, zero drone free flowing exhaust? My 911 is an '84 with GT3 crank and rods, direct to head throttle bodies, fast road cams, twin sparks, high comp, 3.6L one owner since new. I love the car (obviously) and have tried different exhaust systems and the one on the car is good, but I'm looking for nirvana. All suggestions welcomed. scroll to bottom of this page... Post #418... then follow his progress... He might have a winner. http://forums.pelicanparts.com/porsche-911-technical-forum/1018103-muffler-dynomax-magnaflow-m-k-dyno-charts-21.html Quote Link to comment Share on other sites More sharing options...
JWM Posted 1June, 2023 Report Share Posted 1June, 2023 Looks like fun! Love the crash land ending 😂 Mike D'Silva 1 Quote Link to comment Share on other sites More sharing options...
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