Two Brothers Racing M-7 V.A.L.E. Slip-on Exhaust System for the 2009 Suzuki Z400 QuadsportThis versatile ATV is looking for more speed in 2009 with chassis, suspension and fuel delivery system upgrades inspired by Suzuki’s race-proven R450 QuadRacer. Two Brothers Racing’s custom built exhaust unlocks the true potential inside the Z400 and delivers +3hp and +3 ft per lb. of torque over stock while saving 2.25 pounds of unnecessary weight. Less weight. More power. Perfect! As an added benefit, all of our off-road systems now feature our exclusive patent-pending V.A.L.E. attachment system and X-Lite retaining ring. Two Brothers stainless/aluminum systems even come with a U.S. Forestry Service approved screen type spark arrestor factory installed!Two Brothers M-7 V.A.L.E. Slip-on Exhaust System for the 2009 Suzuki Z400 Features:Thinwall brushed aluminum canister sleeve CNC machined TIG welded canister mount for easy installation and extreme durability CNC machined inlet & outlet caps 2.25″ x .035″ stainless steel spiral bound perf core High temperature packing material CNC machined & threaded inlet & outlet for easy repack Removable die-cast magnesium M-7 outlet USFS approved spark arrestor included Optional gold anodized sound reducing P1 & P4 PowerTips available:P1 PowerTip | P4 PowerTip Installation Instructions: Click here.