In many cases if the exhaust is too big you lose bottom end torque. If you have a cam and head work its a different story, other wise save your money for some other mod like lower gears, if you dont allready have em.
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5.0, Holley heads, 1.7 Scorp Rockers, Stealth intake, Holley 600 carb, Holley Mech. Fuel pump, MSD 6Digital, MSD distributor, Hotchkis upper/lower rear control arms, FMS B Springs, 3:73 (8.8) rear.
Production # 9,377
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