HELLO?? Exhuast specialists.. where are you??
If the back pressure is needed, then how is it that long tubes, off road H or X pipes, cat back exhuasts... all of which drastically reduce back pressure and they all claim horse power gains!?!?!
Especially the SLP system, which is pretty much straight through, I've heard.
Now... I still have stock headers, stock H pipe with 4 cats, and stock tubing... (mufflers removed) all the way back to the tips... including the major bends up and over the rear axle...
And I've lost A LOT of low-mid power...
If I cut out the stock cat-back, and bolt in the 2.5" MAC system, will I atleast have ALL of my stock horse power back??
Or do all catback systems reduce low-mid power?
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Torch Red '02 GT Convertible 5 spd
BBK long tubes, BBK h-pipe, MAC mufflers, K&N w/ silencer trimmed, FRPP 70mm throttle body, C&L plenum, Mobil1 synthetic fluids, FRPP aluminum drive shaft, Steeda Tri-Ax shifter, FRPP 4.10's, 18x9 & 18x10 Saleens with Dunlop SP Super Sport Race rubber, Mach1 grill (GT delete), & Mach1 bumper chin!
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