Q4 Exhaust Silencer 00-22 Kawasaki Suzuki 400 DR-Z S SM KLX SR - FMF 043377
FMF Racing's Q4 043377 slip-on exhaust system sets new standards in quiet performance for off-road use. Designed with advanced chambering, precision baffles, and innovative multi-stage packing material, this exhaust ensures exceptional noise reduction without compromising power delivery. The Q4 is built with aircraft-grade aluminum and robust stainless steel for durability and reliability. It is suitable for use with both FMF and OEM headers and features an included removable spark arrestor and a lightweight construction for performance gains. Developed through years of championship-level off-road racing experience, it offers superior noise control with a maximum sound output of 96dB (most models below 93dB). The construction includes a high-strength stainless steel midpipe and endcap. It comes with a removable screen-type spark arrestor and a quiet insert for versatility. This product is designed for closed-course use only. Item ID: 043377. Type: Slip-On. Configuration: Single. Material: Aluminum canister with stainless steel midpipe and endcap. Finish: Natural. Spark Arrestor: Screen insert, included. Quiet Insert: Included. Carb Warning: Yes. Weight: Approximately 6.9 lbs (3.1 kg).
- SKU
- 06-1671.FMF.Q4
- Brand
- FMF Exhausts
- Availability
- Out of Stock
FULL DESCRIPTION
FMF Racing Q4 Exhaust Silencer
The FMF Racing Q4 043377 slip-on exhaust silencer is engineered for exceptional quiet performance in off-road applications. Utilizing advanced chambering, precision baffles, and a multi-stage packing material, this silencer significantly reduces noise output without sacrificing power. Constructed from aircraft-grade aluminum and robust stainless steel, the Q4 offers race-proven durability and reliability for demanding conditions. It is designed for use with both FMF and OEM headers and includes a removable spark arrestor and quiet insert for enhanced versatility.
Key Features:
- Developed through extensive championship-level off-road racing experience.
- Delivers superior noise control, typically below 96dB for most models (often under 93dB).
- Crafted with aircraft-grade aluminum for a lightweight design.
- Features a high-strength stainless steel midpipe and endcap for extended durability.
- Compatible with FMF or Original Equipment Manufacturer (OEM) exhaust headers.
- Includes a removable screen-type spark arrestor and a quiet insert for customizable performance.
- Designed exclusively for closed-course competition use.
- Employs comprehensive packing technology for optimal silencing efficiency.
- Designed for straightforward slip-on installation.
Specifications:
- Item Identification Number: 043377
- Type: Slip-On Silencer
- Configuration: Single exhaust system
- Materials: Aluminum canister with stainless steel midpipe and endcap
- Finish: Natural aluminum
- Spark Arrestor: Removable screen insert, included
- Quiet Insert: Included
- Emissions Warning: Carb Warning applies
- Approximate Weight: 6.9 lbs (approximately 3.1 kg)


