MAC pro chamber
 

Has anyone used one of those MAC pro chambers rather than a H or X pipe? those are my 3 choices, i heard that the pro chamber has the best torque rating, but a little lower on high end? im leaning toward the pro chamber, tell me what you guys think, and what size tube to go to.

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1985 Mustang GT 15,000 original miles, cam, intake, headers, carb, windage tray, you know the goodies

I've got a 2 1/2" no-cats Prochamber. Personally, I love it. I got my whole exhaust system done at once (headers and mufflers too) and I noticed a fairly large difference for a simple exhaust swap. And my car sounds a lot better than a lot of cars with more mods and the same mufflers.

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1984 1/2 GT350 (#842 Hatchback w/ T-tops), 302HO, Comp cams Xtreme Energy cam, Carter 625cfm carb, Weiand Stealth intake, MSD distributor, MSD coil, FMS 9mm wires, 1 5/8" MAC unequal shorties, 2 1/2" MAC Prochamber H-pipe, Flowmaster 2 chambers, KYBs, 16"x8" 4 lug Cobra Rs, Falken 245/45ZR16s

I did the same as 84_GT350 and installed all of my exhaust at once so I can't really say exactly where the Pro Chamber delivers the power most. But, I can say that I love the sound of my exhaust with the Pro Chamber and MAC flow paths. I installed long tube heads along with this system and my car seems to pull hardest around 2000RPM up to about 4500RPM and still climbs quickly to 6000RPM before it starts to fall off. It's a pretty nice piece.

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