Quote:
Originally Posted by squish72
Then why run two part numbers? If they are identical in every way?
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Maybe one has a better heat tolerance and is a tad MORE restrictive. There is say 5 hp with a cat delete, how much is there between two stock cats? 
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Forged short block, large duration sub .600 lift Cam Motion cam, 7200 RPM fuel cut, Pray Ported Heads, 3.85 pulley D1X, stage II intercooler, DSX secondary low side, DSX E85 sensor, Lingenfelter big bore 2.0 pump, ported front cats, 60608 Borla, LT4 injectors, ZL1 1LE driveshaft and Katech ported TB, ported MSD intake, BTR valvetrain, ARP studs, ProFlow valves, PS4 tires.
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