MBRP AT-6404SP Sport Series Slip-On Exhaust System with Sport Muffler for 1998-2001 Yamaha Grizzly 600

CLEAN LOOKS AND A PERFORMANCE SOUND - MBRP SPORT SERIES, Quickly bolt on an MBRP Sport Series exhaust and enjoy the new deep tumble coming from your ATV or SXS. Slam the throttle for an aggressive sound, or cruise all day long without worrying about being obnoxious. This exhaust focuses on enjoying the trails and delivering a balanced tone. ATV Exhaust System With Sport Muffler; Slip-On System; 1.75 in. Inlet; 4.25 in. Diameter Body; Chambered Muffler; Chambered Muffler.

• Reliable and Dependable Chambered Design. Bolt-on Installation. Mild Exhaust Note, Increased Flow.
• Sport Muffler

The MBRP AT-6404SP Sport Series Slip-On Exhaust System delivers a clean appearance, improved exhaust flow, and a balanced performance tone for select Yamaha Grizzly 600 models. Designed as a bolt-on ATV exhaust upgrade, this system produces a deeper, more aggressive sound under throttle while remaining comfortable for extended trail riding and recreational use.

Featuring a reliable chambered muffler design, the MBRP Sport Series system is engineered for dependable performance and straightforward installation. The 1.75-inch inlet and 4.25-inch muffler body support efficient exhaust flow, while the Sport muffler provides a controlled exhaust note that is more engaging than stock without being unnecessarily loud. Its slip-on configuration makes it a practical choice for riders seeking a performance-focused replacement or upgrade.

The MBRP AT-6404SP fits 1998, 1999, 2000, and 2001 Yamaha YFM600FW Grizzly 4x4 models. This product is intended for off-road powersports applications. Verify vehicle compatibility before installation, and review applicable emissions requirements for your area. Installation hardware and components supplied by MBRP should be inspected before use, and all connections should be checked after installation.

What's Included: MBRP AT-6404SP Sport Series slip-on exhaust system, Sport chambered muffler, and required system components for bolt-on installation.

Features:

• Chambered Muffler: Provides a dependable exhaust design with a balanced, mild performance tone.
• Sport Series Sound: Delivers a deeper, more aggressive exhaust note under throttle while remaining suitable for all-day trail riding.
• Slip-On Installation: Bolt-on configuration simplifies installation and allows a practical upgrade from the factory exhaust system.
• Improved Exhaust Flow: The 1.75-inch inlet and 4.25-inch muffler body support increased flow for responsive ATV performance.

Fitments:
1998 Yamaha YFM600FW Grizzly 4x4 Base
1999 Yamaha YFM600FW Grizzly 4x4 Base
2000 Yamaha YFM600FW Grizzly 4x4 Base
2001 Yamaha YFM600FW Grizzly 4x4 Base

Air Freight Prohibited: false
Not Carb Approved: false
Carb Acknowledgement Required: true
Ltl Freight Required: false
Prop 65: Y
Part Type: powersports
Epa: N/A
Regular Stock: t
Units Per Sku: 1