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post #1 of 2 Old October 12th, 2018, 11:53 AM Thread Starter
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First Name: GORDEN
My RZR: 2018 900 RZR S
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Usa exhaust

Does drilling out the cat in the muffler help it with the loud exhaust it will help with the heat
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post #2 of 2 Old October 12th, 2018, 12:53 PM
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First Name: Denver
My RZR: 2015 S900 Titanium
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Re: exhaust

Anytime you remove restrictions you make it louder.

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SOLD!!! 2012 RZR 570, with most of the accessories.
Bought!!! 2015 RZR S900 Titanium! Let the fun begin (again)!!
XB3 fire extinguisher, in cab. RAM-mounted Samsung Tab GPS. Larsonator DIY dual rate spring kit and Schmidty Racing resi end caps. Garage Products bushings. BugBuster mesh windscreen and rear mesh screen. Outerwears on R2C air filter and clutch intake. 3500# Winch, parking brake. Polaris DVR mirror & Drift Innovation action camera. PRP harnesses. Roof. DIY mud flaps. Tusk front bumper. UHMW A-arm guards. Hunterworks Gates Carbon belt.
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