I disagree, it all depends how deep your pockets are.....You will get sound, no HP.
And there is only so much sound you can really get from a mono piston
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He asked exhaust. That alone will net you zero HP, only noise, and lean the mix radio outI disagree, it all depends how deep your pockets are.....
Between the tuner, moded intake, full dual barker exhaust , high compression piston and cam upgrade, this grizzly gained 16 hp at the rear wheels over stock. (stock dynoed at 33 rw hp)
That's nearly 50% gain at the wheels!