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| RX-7 2nd Gen Specific (1986-92) RX-7 1986-92 Discussion including performance modifications and technical support sections. |
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| RX-7 2nd Gen Specific (1986-92) RX-7 1986-92 Discussion including performance modifications and technical support sections. |
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02-28-2011, 12:02 PM
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rotors excite me
Join Date: Mar 2008
Location: Iowa
Posts: 372
Rep Power: 18  |
^^^ Uhhhh... what? If reducing exhaust pressure silences then full open with big pipes should be somewhat quiet, and it's not. You DO want to Y it down to two smaller pipes. I'd just figure the cross sectional area of the 3" and then split it down to two that add to about the same cross sectional area, but you could also look at system like Racing Beat makes and compare to see what ratio they used.
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He isn't a killer. He just wins -- thoroughly.   '87 TII 240+ rwhp on my DIY streetport, ~13psi on stock turbo, Racing Beat REVTII exhaust  rTek 2.1 awaits a tune Quote:
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