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Discussion Starter · #1 ·
I know the XL is going to be louder, but i was wondering if it produced any more tangible power over the regular swamp? How much more power over stock does the swamp achieve, and how loud is the XL over stock? how much work is involved when installing the exhaust/ jets etc? My knowledge on performance exhaust is minimal and i was hoping to learn a bit if you guys could help me out.
 

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Ok see you have a 400ho, not sure about them as ive only had an 800 and 850, didnt really notice much difference on my 800 but it was just a slipon, full exhaust would be better, didnt add a fuel controller on my 800 but they run rich from factory, not sure about the 400, may need jets, someone im sure would know.
 
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