MBRP AT-9301PT Performance Slip-On Exhaust for 2020-2025 Kawasaki KRX 1000 SXS

Vehicle Fitment

• 2020-2025 Kawasaki Teryx KRX 1000 - All Trims (Base, Trail Edition, Special Edition, SE) - 999cc Parallel-Twin Engine

Fitment Notes

• Slip-on installation - this system replaces the factory muffler only. The factory mid-pipe, headers, and all upstream exhaust components remain in place. No cutting, welding, or header modification is required.
• Uses factory mounting locations - all hardware required for installation is included. No additional brackets, adapters, or trips to the hardware store are needed.
• NOT FOR SALE IN CALIFORNIA - this exhaust is not CARB-approved and is illegal to use, install, or sell on registered vehicles in California. It cannot be shipped to California. This product is intended for off-road or closed-course competition use only.
• USFS (United States Forest Service) approved spark arrestor is included - required for legal trail riding on USFS-managed lands. Verify current local regulations before use on public lands.
• Sold as a single complete slip-on system (one muffler assembly).

Features

• Performance Series - MBRP's Performance Series is the top tier of the MBRP powersports lineup, designed and built to maximize exhaust flow, sound intensity, and visual presence. The Performance Series delivers the loudest, most aggressive exhaust character in the MBRP SXS range - positioned above the Sport Series (which targets a moderate, noticeable growl) and specifically tuned for riders who want the most dramatic sound transformation available from a slip-on replacement.
• Chambered core muffler design - the AT-9301PT uses a chambered internal muffler core rather than a straight-through (perforated tube) or packed (fiberglass-filled) design. In a chambered core, exhaust gases travel through a series of internal chambers that allow pressure waves to resonate and interact, producing a fuller, deeper, and more aggressive exhaust note at all RPM ranges compared to both the factory muffler and MBRP's own straight-core Performance variants. The chambered design also acts as sound dampening in specific frequency ranges, giving the KRX 1000 a tuned, controlled sound rather than raw, unfiltered noise.
• T304 Stainless Steel construction - MBRP's premium material tier, T304 stainless steel is fully corrosion-proof and will not rust regardless of exposure to moisture, trail mud, water crossings, salt, or extreme temperature cycling. This is the same grade of stainless steel used in MBRP's truck and automotive exhaust systems - significantly more durable than the factory exhaust material and resistant to the surface oxidation and pitting that affects lower-grade steels in off-road environments.
• Billet aluminum end cap - the outlet tip is machined from billet aluminum rather than stamped steel, providing a precision-finished, lightweight end cap with a distinctive appearance that complements the polished stainless muffler body. The billet construction resists the corrosion and discoloration that affects stamped steel tips under repeated heat cycles and outdoor exposure.
• Factory mounting location compatibility - MBRP engineers the AT-9301PT to bolt directly to the KRX 1000's existing mounting points using the factory hardware interface, eliminating the need for custom fabrication or bracket modifications. This ensures proper muffler positioning relative to the chassis, heat shielding, and nearby components.
• USFS-approved spark arrestor included - the spark arrestor meets United States Forest Service certification requirements for use on USFS-managed trails and off-road areas where spark arrestors are mandated. This allows AT-9301PT-equipped KRX 1000s to legally access USFS lands that would otherwise require the factory exhaust's spark-arresting capability.
• All mounting hardware included - MBRP includes every clamp, bolt, bracket, and gasket needed to complete the installation without sourcing additional parts, minimizing installation time and ensuring proper fitment.

Specifications

• Part Number: AT-9301PT
• Series: MBRP Performance Series
• Application: 2020-2025 Kawasaki Teryx KRX 1000 - All Trims
• Exhaust Type: Slip-On (muffler replacement only - mid-pipe and headers remain factory)
• Muffler Core Design: Chambered Core
• Sound Profile: Aggressive (loud, raw, and aggressive per MBRP)
• Material: T304 Stainless Steel
• End Cap: Billet Aluminum
• Spark Arrestor: Included (USFS Approved)
• Mounting: Factory Location Bolt-On (hardware included)
• California Legal: NO - NOT FOR SALE IN CALIFORNIA; not CARB-approved
• Intended Use: Off-road / closed-course competition use only
• Quantity: Sold as a complete slip-on system (single unit)
• Warranty: 1-Year Limited Warranty (Performance Series)

Included Components

• 1x MBRP Performance Series Chambered Muffler Assembly - T304 Stainless Steel body with Billet Aluminum end cap
• 1x USFS Approved Spark Arrestor
• Complete Hardware Kit (all clamps, bolts, and fasteners needed for installation)

Product Description

The MBRP AT-9301PT is a Performance Series chambered slip-on exhaust system for the 2020-2025 Kawasaki Teryx KRX 1000, offering the most aggressive sound profile in MBRP's KRX 1000 lineup. As a slip-on system, the AT-9301PT replaces the factory muffler assembly using the stock mid-pipe and header - making it the most accessible exhaust upgrade for KRX 1000 owners who want a dramatic transformation in sound and appearance without modifying the full exhaust system. The chambered core muffler design is what separates this Performance Series unit from MBRP's Sport and Trail Series: internal chambers allow exhaust pressure waves to resonate through the muffler body, producing a deeper, fuller, and more aggressive exhaust note across the entire RPM range - particularly pronounced at full-throttle trail speeds where the KRX 1000's parallel-twin is working hardest.

Construction is T304 stainless steel throughout - MBRP's top-tier material, fully corrosion-proof and capable of handling the sustained heat cycling, mud exposure, and water crossings inherent to KRX 1000 trail use. The billet aluminum end cap provides a precision-machined outlet that resists corrosion and discoloration better than stamped steel tips under repeated heat cycles. A USFS-approved spark arrestor is included, allowing legal use on United States Forest Service-managed trail systems where spark arrestors are required - an important consideration for KRX 1000 owners who use their machines on public trail networks.

Installation uses the factory mounting locations and requires only the included hardware - no fabrication, bracket modification, or additional parts needed. MBRP builds all of its powersports systems to use the stock mounting interface so the system positions correctly relative to the chassis, heat shielding, and body panels without custom fitting. The AT-9301PT carries a 1-year limited warranty covering defects in materials and workmanship. Important: this exhaust is not CARB-approved and cannot be sold in, shipped to, or legally used in California. It is intended for off-road use only.