Polaris RZR PRO XP 4 Ultimate 2021 Kit Builder

SAVE BIG + SCORE A WRENCH

Free Shipping
Picking up a new exhaust system for your ride or simply grabbing some swag so you can rep MBRP to the fullest? Either way, now you can enjoy free shipping throughout the US when you spend $400USD/$550CDN or more.* What are you waiting for?
*Free shipping offer excluded on select products and the following regions: Alaska, Hawaii, and Puerto Rico. Newfoundland and Labrador, Northwest Territories, Nunavut, Prince Edward Island and Yukon.
GET SITEWIDE CYBER WEEK DEALS
Up to 20% off EVERYTHING!! Plus: a bonus keychain wrench free with every exhaust purchase!
SOUND GOOD TODAY, SQUARE UP TOMORROW
Don’t worry about the upfront of your new upgrade. You can buy now and pay later with immediate Sezzle approval. Download the app, pick your own instalments – and pay 0% interest!

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Starting at $129
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starting at $499
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Starting at $195
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Lighting
Starting at $354
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Starting at $125
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Black coated
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About Us
Blog
The Complete Exhaust Buyer’s Guide. What Exhaust System Is Right for You?
Ambassador Program

US/USD

Make your ride sound like it should

Tested on 2020 Dodge Ram 1500 5.7L

UNBOX. INSTALL. TEST DRIVE. FAST.
READY TO GET ROWDY.
SOUND LIKE A MILLION BUCKS WITHOUT SPENDING IT.

Vehicle

2022-2024 Polaris RZR Turbo R
2025-2026 Polaris RZR PRO S
2020-2026 Polaris RZR PRO XP

Fuel Type:
Gasoline
Part Number:
AT-9524AS
Part Type:
Exhaust
Type:
Slip-On
Series:
Performance
Material:
T304 Stainless Steel
Warranty:
1-Year Warranty
Profile:
Active

California Proposition 65 Warning

Chromium, Nickel

Warning: This product can expose you to chemicals including nickel (metallic) and chromium (hexavalent compounds) which are known to the State of California to cause cancer and birth defects, or other reproductive harm.
For more information go to www.p65warnings.ca.gov