Quote:
Originally Posted by Infamous Performance
Made 189whp with the race car on the Mustang (late) last night. Air Raid intake (no box), PPE headers and over pipe, Motiv 2.5" front pipe, Motiv 2.5" exhaust, custom cams, 98oct. We believe we can eek a few more from this set up. Possibly break 200whp on the Mustang. Current Dyno Jet estimate is 225whp.
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Uneducated question here but with racecar and all why not run a 3" exhaust?