Performance Aluminum Slip On Muffler For 1987-2004 Yamaha Warrior 350 YFM 350 USFS APPROVED SPARK ARRESTER

New performance slip on muffler

Increase your power and torque with a simple bolt slip on.

Dyno tested for ultimate air flow and performance.

TESTED IN XC RACING

Dyno results show power numbers on a stock warrior, a warrior with the exhaust on but not tuned and then the exhaust on with proper jetting and tuning done by a professional power sports shop.

WATCH THE VIDEO HERE:

https://youtu.be/DH1cguzgOtg

 

TUNING IS HIGHLY RECOMMENDED FOR THIS KIT!

RECOMMENDED JETTING ON STOCK MOTOR:

45 PILOT

147.5 MAIN

Kit includes:

1x aluminum muffler with USFS approved spark arrester and biggest insert installed

2x different diameter inserts (the smaller the insert the quieter it will be)

1x allan key set

1x flag

1x key chain

1x sticker