Flowmaster American Thunder 3" kit and 347 stroker

rugerbp

New Member
May 22, 2006
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Has anyone used the flowmaster 3" american thunder kit, i know mustang 50 mag did a tech install on it, i was just wondering if anyone has this kit and if they liked it, also what shorty headers to use, do you have to have 3" collectors b/c of the full 3" exhaust?, building a 347 stroker and soon to be turbo'd or s/c after the breaking so goign to need a nice exhaust system, any help would be appreciated, thanks
 
if you are goin turbo'd then i wouldnt worry about the exhaust yet because you are gonna have to do some of it all over agian. if you go with the 3" am thunder you would have to use headers with a 3" flange, i would call flowmaster and ask what they recommend and they should point you inthe right direction. also, i thought for some reason that it required longtubes, but i might be wrong. good luck