MBRP AT-7405 Utility Slip-On Exhaust for 1992-2000 Yamaha Timberwolf 250

Vehicle Fitment

• 1992-1998 Yamaha YFB250 Timberwolf 2x4
• 1996-1998 Yamaha YFB250U Timberwolf 2x4
• 1994-2000 Yamaha YFB250FW Timberwolf 4x4

Features

• Utility Series slip-on exhaust with chambered muffler for mild sound
• Direct replacement for OEM muffler on Yamaha Timberwolf ATVs
• Black-coated aluminized steel resists corrosion and trail wear
• Mild increased exhaust volume and improved flow over stock
• Bolt-on installation - no cutting or tuning required
• Chambered straight core for balanced sound profile
• USFS-approved spark arrestor included for trail compliance
• 1-year limited Utility Series warranty

Specifications

• Part Number: AT-7405
• Application: Utility Series Slip-On Exhaust
• Material: Black-coated aluminized steel
• Muffler Type: Chambered utility muffler
• Body Diameter: ~3.5"
• Inlet Diameter: ~1.25"
• Sound Profile: Mild, slightly louder than stock
• Installation: Bolt-on slip-on
• Warranty: 1-year limited

Included Components

• 1x Utility Series Slip-On Exhaust (AT-7405)
• 1x USFS-approved spark arrestor
• Installation clamp and hardware

Product Description

The **MBRP AT-7405 Utility Slip-On Exhaust** is designed as a direct replacement muffler for **Yamaha Timberwolf 250** ATVs produced between **1992 and 2000**. This Utility Series slip-on muffler improves exhaust flow and produces a slightly deeper, balanced exhaust tone compared to the stock unit while keeping noise levels mild and trail-appropriate.

Constructed from **black-coated aluminized steel**, the AT-7405 offers enhanced durability and corrosion resistance for everyday trail use. The chambered design helps smooth harsh sound frequencies while delivering a pleasant sound increase. Installation is straightforward with a bolt-on slip-on configuration that requires no head pipe modification, and the included **USFS-approved spark arrestor** ensures compliance on many trail systems. Whether you're replacing aging stock exhaust or seeking a modest sound and flow upgrade, this muffler provides reliable performance for compatible Timberwolf models.