cadillacjeff7777 Posted March 16, 2012 Author Report Share Posted March 16, 2012 I guess that this is not common with the 06-11 DTS. 2008 DTS Link to comment Share on other sites More sharing options...
Texas Jim Posted March 16, 2012 Report Share Posted March 16, 2012 I guess that this is not common with the 06-11 DTS. If you mean headers or duals ... you are right. There is almost "NOTHING" available to make our cars perform better. That's why I went the "TUNING" route... that's about the only thing there is. Link to comment Share on other sites More sharing options...
BodybyFisher Posted March 17, 2012 Report Share Posted March 17, 2012 Here are the two systems. I don't know if this will help... 2005 Deville DTS 2008 DTS Pre-1995 - DTC codes OBD1 >> 1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/ Cadillac History & Specifications Year by Year http://www.motorera.com/cadillac/index.htm Link to comment Share on other sites More sharing options...
cadillacjeff7777 Posted March 17, 2012 Author Report Share Posted March 17, 2012 So cutting these mufflers out and throwing in a couple of flowmasters wouldn't make a whole lot of a difference would it? 2008 DTS Link to comment Share on other sites More sharing options...
Texas Jim Posted March 17, 2012 Report Share Posted March 17, 2012 So cutting these mufflers out and throwing in a couple of flowmasters wouldn't make a whole lot of a difference would it? This is just my opinion... I have no facts to back it up... :) It would (of course) make it a little louder... but as far as HP gains... maybe a tiny bit. I haven't did it to mine for just that reason... if I thought it would help, I would have done it long ago. Link to comment Share on other sites More sharing options...
Bruce Nunnally Posted March 17, 2012 Report Share Posted March 17, 2012 One might still get more power from performance mufflers, but I agree the restriction is the single cat / resonator. Re-plumbing for dual from the exhaust manifold back would have to be a custom install, and so more expense than value. Bruce 2023 Cadillac CT4-V Blackwing Follow me on: Twitter Instagram Youtube Link to comment Share on other sites More sharing options...
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