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Old 09-12-2010, 09:12 PM
erm
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I like that ^^^^ answer.

Since you have the factory dual system, go with a dual system with a crossover or "H" pipe in it and two mufflers. That will get you a bit better torque.

Any freer flowing exhaust will improve HP. It's going to be hard to compare by going to the mfgr's websites...they will always put their best dyno result forward. And the tests aren't always apples to apples - different dyno set ups, different vehicles, different ambient temps - so that doesn't help either.

There may be a side by side, bolt on one, then bolt on the other dyno test out there but I have not found it yet.

All I would expect, though, is the difference between the systems isn't that much at all.

12 - 15 HP is doable with a good catback exhaust.
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