Custom Exhaust, just want to see what people have done |
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Custom Exhaust, just want to see what people have done |
turnaround89 |
Nov 21 2008, 12:55 AM
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#1
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Senior Member Group: Members Posts: 671 Joined: 17-May 08 From: Rockford, Illinois Member No.: 9,067 Region Association: Upper MidWest |
I am wondering if it would be possible to fab up my own exhaust system for my 1.8L engine. I figure i might be able to save some money this way, instead of buying a brand new one from AA or whomever and i'll learn how to make an exhaust as well. Just wanted to see what other people have done and how they went about it. Pictures would be great. I plan on getting rid of the heat exchangers if that helps out at all!
Thanks in advance everybody!! |
Jake Raby |
Nov 22 2008, 01:29 PM
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#2
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Engine Surgeon Group: Members Posts: 9,394 Joined: 31-August 03 From: Lost Member No.: 1,095 Region Association: South East States |
The Supertrapp has never impressed me. When they quiet the engine enough to justify them they kill torque and limit RPM range.
I did a study on this in 2002 for another company and the results were as much as a 22% reduction in overall performance and as much as a 45 degree increase in CHT due to the restricted thermals. Until you experience one of these directly compared to something more superior it seems like its not that bad... I knew they sucked since 1993 when I used one in my sandrail and could no longer climb "comp hill" in 4th gear. I removed it and went back to the previous muffler and my power came right back. |
Chris Hamilton |
Nov 22 2008, 02:26 PM
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#3
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Senior Member Group: Members Posts: 611 Joined: 7-March 06 From: Berkeley, CA Member No.: 5,687 |
The Supertrapp has never impressed me. When they quiet the engine enough to justify them they kill torque and limit RPM range. I did a study on this in 2002 for another company and the results were as much as a 22% reduction in overall performance and as much as a 45 degree increase in CHT due to the restricted thermals. Until you experience one of these directly compared to something more superior it seems like its not that bad... I knew they sucked since 1993 when I used one in my sandrail and could no longer climb "comp hill" in 4th gear. I removed it and went back to the previous muffler and my power came right back. Can you post some details? |
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