Tune after long tubes?

05 GT Stang

Member
Apr 6, 2005
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After reading through countless threads about long tubes, I still don't have a definite answer about tuning. I'm wondering if a dyno tune would be necessary after putting them on? :shrug:

P.S. I do have a Xcal II that i bought with my JLT cai that has a canned tune.
 
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Yes, any exhaust mod from the h-pipe foward will need some sort of tuning either by dyno, or by contacting your sct dealer with a list of current mods, so they can try to make you a new "canned tune" that would be safe on the engine, but a dyno would be the way to go.:nice: