With Big Gun's EVO R Exhaust System you have all the equipment you will need to go from the racing track to the trail, while meeting all your performance and federal noise regulations. This system comes ready to be a racing pipe or a more subtle quiet pipe to meet the strict 94-96 dB sound restrictions.
The Big Gun EVO R Exhaust System is lighter than stock, adds up to 5 more horsepower and meets AMA 102 db sound requirements. The Big Gun EVO R Exhaust System comes standard with USFS approved spark arrestor, the Big Gun Vortex Quiet Insert (which meets the 94db state park requirements) and Race Tools pillow packing.
Big Gun EVO R Exhaust System Features
Re-Jetting necessary with the Big Gun EVO R Exhaust System. The use of the Big Gun Vortex Quiet Insert does require re-jetting of your carburator for maximum power and exhaust longevity.
**NOTE: Neglecting to re-jet with the use of Big Gun Vortex Quiet Insert will void your Big Gun Exhaust warranty on this product. Standard 6 month warranty applies to this product.
Here are a few other items to consider while upgrading to your Big Gun EVO R Exhaust System.
This Big Gun EVO R Exhaust System may also be available for the following quads: ATK450, Bombardier DS650, Can-Am DS450, Honda 300EX, Honda 400EX, Honda TRX450R, Kawasaki KFX450R, Kawasaki KFX400, Suzuki LTZ400, Suzuki LT-R450, Polaris Predator 500, Yamaha Blaster, Yamaha Banshee, Yamaha Raptor 350, Yamaha Raptor 660, Yamaha Raptor 700, Yamaha YFZ450.
Yamaha Raptor 700
