I got the extreme performance exhaust. I am using the stock air box. I will put a K&N replacement in the stock box when available.
Mileage increase maybe about 1 mile per gallon. Power increase from seat of the pants dyno seems very noticeable. Sound factor is fairly loud, but not obnoxiuos.
I love it, wife hates it, but would you drive a Harley with stock pipes, Not!
Ted
03 Yellow H2,Adventure Package,Luxury Package,Sunroof, Wrap-around Grill Guard w/Lts.,Tailight Guards,Roof Lights,Tubular Sidesteps,SMA Tire Rack,Carbon Fiber Dash, Custom Exhaust
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03 Yellow H2,Adventure Package,Luxury Package,Sunroof, Wrap-around Grill Guard w/Lts.,Tailight Guards,Roof Lights,Tubular Sidesteps,SMA Tire Rack,Carbon Fiber Dash, Custom Exhaust
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