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What is the pros an cons to running 4 to 1 stepped headers ( 2-1/2"-2-3/8"-5" collector) compared to 2-1/2" zoomie,,, I'am running a 511 hemi with...
Thank you for the info
Looking for a all fiberglass cab an front end for racing something lightweight, everything I find is for street rods Thanks
ok guys I run sand/mud drags @ 160' tracks, I have a 511 KB Hemi with stage one heads which would make the best blower for me