thats_a_five Posted August 26, 2013 Report Share Posted August 26, 2013 I do not think the joint in the older head pipe will have any effect on power. Notice how one pipe is expanded so the other can slip inside. Then the weld is on the outside so it should not decrease the ID. I have an aftermarket DB buster on my 2005 and it helps. I recently saw that Lewisport in California, USA has a bolt on DBKiller but I can't find it on their site right now. Quote Link to comment Share on other sites More sharing options...
guys Posted August 26, 2013 Report Share Posted August 26, 2013 I do not think the joint in the older head pipe will have any effect on power. Notice how one pipe is expanded so the other can slip inside. Then the weld is on the outside so it should not decrease the ID. I have an aftermarket DB buster on my 2005 and it helps. I recently saw that Lewisport in California, USA has a bolt on DBKiller but I can't find it on their site right now. You mean this one? Quote Link to comment Share on other sites More sharing options...
thats_a_five Posted August 26, 2013 Report Share Posted August 26, 2013 You mean this one? Yes, that looks like it. Quote Link to comment Share on other sites More sharing options...
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