Q4 Exhaust Silencer 00-22 Kawasaki Suzuki 400 DR-Z S SM KLX SR - FMF 043377

FMF Racing’s Q4 043377 sets new standards in quiet performance for off-road enthusiasts. Designed using advanced chambering, precision baffles, and innovative multi-stage packing material, this slip-on exhaust ensures exceptional noise reduction without compromising power delivery. Built with aircraft-grade aluminium and robust stainless steel, the Q4 delivers durability and reliability race-proven in demanding conditions. Suitable for use with both FMF and OEM headers, it features an included removable spark arrestor and a lightweight construction for effortless performance gains.

Features

• Developed through years of championship-level off-road racing experience


• Superior noise control with maximum sound output of 96dB (most models below 93dB)


• Aircraft-grade aluminium construction for reduced weight


• High-strength stainless steel midpipe and endcap for lasting durability


• Compatible with FMF or OEM headers


• Removable screen-type spark arrestor and quiet insert included for added versatility


• Designed for closed-course use only


• Comprehensive packing technology for optimal silencing


• Easy slip-on installation

Specifications

• Item ID: 043377


• Type: Slip-On


• Configuration: Single


• Material: Aluminium canister with stainless steel midpipe and endcap


• Finish: Natural


• Spark Arrestor: Screen insert, included


• Quiet Insert: Included


• Carb Warning: Yes


• Weight: 6.9 lbs (approx. 3.1 kg)

Vehicle Fitment

Kawasaki

• KLX400SR (2003–2004)

Suzuki

• DR-Z400 (2006–2007)


• DR-Z400S (2000–2022)


• DR-Z400SM (2005, 2007, 2009–2021)

Cross-Reference OEM Numbers

• 043377