Big Gun EVO R Series Slip-On Exhaust
The EVO R series draws on a rich heritage of making power. Offered for off-road MX and sport ATV models, the EVO R is a tried-and-true series that saves weight, adds noticeable performance gains, and sounds tremendously better than stock.
- 304 stainless steel mid pipe
- Hard anodized oval shaped aluminum muffler canister
- Red powder coated stainless steel end tip
- TIG welded reinforced muffler bracket(s)
- Removable screen-type spark arrestor included
- Sleek muffler design allows for maximum clearance to avoid contact with the rear brake caliper
- Lighter than stock exhaust system
- Huge horsepower and torque gains
- Handmade in the USA
- 1 Year Limited Manufacturer's Warranty
96–98 dB track and trail legal (with Vortex insert, sold separately). For closed course use only — not intended for road use.
Note: Not legal for sale or use on pollution-controlled vehicles in the state of California. Cannot purchase head pipe separately to make into a full system; sold as slip-on only.
Fits the following:
- Yamaha Raptor 660R YFM660R: 2001-2005
