Check the listing for details. Lexx Slip On Silencer Exhaust Fits SUZUKI Z400 KAWASAKI KFX400 ARCTIC CAT DVX400. Condition: New. Listed at 216.97 USD. Lexx Slip On Silencer Exhaust SUZUKI Z400 KAWASAKI KFX400 ARCTIC CAT DVX400 Fully tunable exhaust system allows the user to change from a race exhaust (46mm Race Tip) to a forest friendly silencer (Quiet Core Insert) with just three bolts. Engineered to improve torque and acceleration with an increase of up to 4 horsepower on some machines. Lightweight design saves up to 3.5 lbs. over the stock exhaust. Included 46mm Race Tip for closed course competition. Includes USFS approved Quiet Core spark arrestor insert that brings sound levels down below 96db. Optional tuning exhaust tips and optional screen type Spark Arrestor are available to allow user to further tune power and sound characteristics. Constructed of lightweight 6061 T6 aluminum and durable 304 stainless steel. Limited lifetime warranty. Fits the following models: ARCTIC CAT DVX 400 2004-2008 KAWASAKI KFX 400 2003-2006 SUZUKI Z400 QUADSPORT 2003-2009 SUZUKI Z400 QUADSPORT 2012-2014