Best flowing catback?
05-17-2011, 02:03 PM
#22
Launching!
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Info on pipe size versus horsepower level. Too big of a pipe might net you some high end horsepower but with too little back pressure you will lose all your bottom end torque.
http://www.magnaflow.com/wideopen/performdata.asp
http://www.magnaflow.com/wideopen/performdata.asp
05-17-2011, 02:15 PM
#23
https://ls1tech.com/forums/2987587-post19.html
A 2.75” (stock) single system is good for a 310hp engine with zero loss…
A 3” Single system is good for a 370hp engine with zero loss…
A 3.5” Single system is good for a 503hp engine with zero loss…
A 4” Single system is good for a 657hp engine with zero loss…
A 2.25” dual system is good for a 457hp engine with zero loss…
A 2.5” dual system is good for a 513hp engine with zero loss…
A 3” dual system is good for a 812hp engine with zero loss…
A 3” Single system is good for a 370hp engine with zero loss…
A 3.5” Single system is good for a 503hp engine with zero loss…
A 4” Single system is good for a 657hp engine with zero loss…
A 2.25” dual system is good for a 457hp engine with zero loss…
A 2.5” dual system is good for a 513hp engine with zero loss…
A 3” dual system is good for a 812hp engine with zero loss…
