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lilchild87
01-05-2008, 05:54 AM
Going for a project miata and putting a custom magnaflow catback on it. Since i want the same setup as the one on the picture, i need to know what's the round/oval/length sizes of the center resonator (which is actually a muffler) and rear muffler.

Options on resonator: from 4'' round through 7'' round
Options on muffler: 4'' x 9'' , & 5'' x 8''

The pipes will be 2.25 (optimal performance by magnaflow to gain hp/tq)

Magnaflow guys say that with this cat-back the miata will gain 8hp/10tq

thx! :D