Nice, yo. I like how they concluded that no TQ was lost which is to be expected. Shorty's to LT's would show a loss but, again, only up to its volumetric efficiency.
Originally Posted by Courtesy Flush
The pypes headers are what i wish i went with, even with all their bad rep with fitment and quality. Seen quite a few guys running em and making good power. Stepped header design 1 5/8ths stepped to 1 7/8th into a 3 inch collector.
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If it were a
carbureted, open header car 110% yes. The smaller diameter section on a stepped design helps to scavenge the gases out of the motor making the cylinder more efficient. Non-carbureted cars, and
especially the Coyote, we are able to tune each cylinder individually (bonus)! Once you bolt on an exhaust (with its added restrictions), no matter the platform, the design fails and negates all advantages. Feel good about your purchase, man!
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