- t a k t i k s - Posted December 10, 2004 Share Posted December 10, 2004 I was wondering what the stock exhaust diameter is on the 93 SC400 and if a 3" exhaust would be too big. Quote Link to comment Share on other sites More sharing options...
- t a k t i k s - Posted December 11, 2004 Author Share Posted December 11, 2004 anybody? Quote Link to comment Share on other sites More sharing options...
SC4Million Posted December 11, 2004 Share Posted December 11, 2004 dont know for sure, but I think with the V8 a pipe that big will acctually hurt your lowend torque. Quote Link to comment Share on other sites More sharing options...
southernsc300 Posted December 11, 2004 Share Posted December 11, 2004 on a 98 a 3" would work, but on a 93 i would say 2.5. unless you have other mods and your car is breathing real well. Quote Link to comment Share on other sites More sharing options...
- t a k t i k s - Posted December 11, 2004 Author Share Posted December 11, 2004 well, the only places that do exhaust out here use pipe bending, any suggestions about that? ideal diameter for that? Quote Link to comment Share on other sites More sharing options...
- t a k t i k s - Posted December 12, 2004 Author Share Posted December 12, 2004 well the stock exhaust looks to be about 1.5" in diameter, so i suppose a 2.5" exhaust using pipe bending is still better than the stock right? anybody with feedback on this logic, please reply. Quote Link to comment Share on other sites More sharing options...
92Lex Posted December 12, 2004 Share Posted December 12, 2004 1.5"? Are you serious? Quote Link to comment Share on other sites More sharing options...
CLightning Posted December 12, 2004 Share Posted December 12, 2004 I would say 2.25" custom piping if you're running a stock setup. I have another car with a stock 4.6L V8 and I definitely lost my low end torque by going with a 2.5" catback. Quote Link to comment Share on other sites More sharing options...
Rxyxlsc Posted April 4, 2019 Share Posted April 4, 2019 What about 2.5inch straight pipe from headers back? Anyone done that? Quote Link to comment Share on other sites More sharing options...
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