2008-09 Kawasaki KFX450R M-7 V.A.L.E.™ Stainless Steel Full Race Exhaust System: With the patented use of magnesium, titanium, aluminum and stainless steel, and hours of testing, we have an exhaust system that performs for all levels. Whether you are on the racetrack, trail riding, woods riding or just having fun in the sand this exhaust performs. Performance gains are seen and felt in every part of the powerband. We are sure that when you pull this exhaust system out of the box, install it on your ATV, and feel the performance you will agree that it is The Absolute Top Level™. Through extensive testing and racing developments we have produced a winning combination of Top Level Performance on and off the racetrack with our new KFX450R M-7 Exhaust System. The Twobros M-7 off-road stainless/aluminum exhaust systems come complete with a USFS approved removable  Two Brothers Racing PART# 005-1660106V LIST:$529.98 MXP:$439.00 Kawasaki KFX450R V.A.L.E.™ Complete Stainless Steel System (2008-09) - M-7 Aluminum Canister PART# 005-1660406V LIST:$310.00 MXP:$263.00 Kawasaki KFX450R V.A.L.E.™ Stainless Steel Slip-on System (2008-09) - M-7 Aluminum Canister