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 21 2008, 06:49 AM
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#2
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Engine Surgeon Group: Members Posts: 9,398 Joined: 31-August 03 From: Lost Member No.: 1,095 Region Association: South East States |
This is a huge challenge. The Type 4 engine is heavily dependent upon certain exhaust characteristics. In all of my experience with the TIV engine design and tuning I have not seen ANY bolt on sub system that dictates engine efficiency more than the exhaust.
It must not be confused with ANY other engine, because thats a huge mistake that people make all the time. Here are some down and dirty musts: -Primary length between 30-34" -All 4 cylinders must be "collected" ( no stupid ass dual collectors like a V8) -Do NOT use a super trapp. All that said, there are very good systems on the market that are proven to work, by going custom with the exhaust you assume the biggest role imaginable as what you will create has an impact on EVERY aspect of the engine from running temps to MPG, power output, RPM range and tune-ability. Just know what you are doing isn't simple and thats why Engineered systems cost so much, some have 10 years of constant refinement in their composition. |
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