Up to 60% Off Discount Depot Sale. Shop Now

New Arrivals for Fall: Shop Now

Get $15 Cash, Free 2 Day Shipping & More Perks With RPM*

JavaScript Disabled

To get the full Cycle Gear experience, enable JavaScript in your browser settings and refresh this page.

Uh oh - Our system doesn't think this part will fit your 2024 Moto Morini STR Sport (change vehicle selection)

Big Gun

Big Gun EXO R Full System Exhaust KTM / Husqvarna / Gas Gas 450cc 2019-2023

Write a Review

Big Gun EXO R Full System Exhaust KTM / Husqvarna / Gas Gas 450cc 2019-2023

Fullscreen Zoom

$674^.⁹⁹

$749.99

Save $75.00 10%

Fast Lane

Material: Stainless Steel/Aluminum/Carbon Fiber

Blemished/Refurbished

This item is available as a Blem/Refurb. These are items that cannot be sold as "New" merchandise and are limited to stock on hand. See the product details for a description of the product's condition.

Ships Free to Cycle Gear Stores!

The Cycle Gear Difference

Free Shipping Over $49^.⁹⁹
30-Day Best Price Guaranteed
No-Hassle Returns View Details

Big Gun EXO R Full System Exhaust KTM / Husqvarna / Gas Gas 450cc

The EXO R Series brings advanced engineering and dependable performance to serious riders. This next-gen exhaust system features a sleek hexagonal aluminum muffler for maximum efficiency and a stainless steel coned inlet to amplify volume with a bold, refined sound. Designed to reduce heat and enhance performance, the EXO R Series delivers the perfect blend of power, durability, and control for an unmatched experience on track or trail.

Features:

Light weight brushed aluminum muffler
Hexagon shaped large diameter housing for more volume
Internal sound wave altering technology for a deeper but tolerable exhaust tone
Stamped 304 stainless steel coned inlet for more volume
TIG welded reinforced muffler bracket(s)
304 stainless steel header and mid pipe
Carbon fiber end cap
Significant horsepower and torque gains
Handmade in the USA

Note: Image is for reference only.

Read More

Uh oh - Our system doesn't think this part will fit your 2024 Moto Morini STR Sport (change vehicle selection)

Gas Gas: EX 450F 2021, 2022, 2023; MC 450F 2021, 2022, 2023

Husqvarna: FC450 2019, 2020, 2021, 2022; FC450 Rockstar Edition 2019, 2020, 2021; FX450 2019, 2020, 2021, 2022

KTM: 450 SX-F 2019, 2020, 2021, 2022; 450 SX-F Factory Edition 2019, 2020, 2021; 450 XC-F 2019, 2020, 2021, 2022

This item is also available for 66 other models:

Gas Gas: EX 250F 2021-2023; EX 350F 2021-2023; MC 250F 2021-2023; MC 350F 2022-2023

Honda: CRF110F 2019-2026; CRF125F 2019-2026; CRF125F (Big Wheel) 2019-2026; CRF250R 2022-2024; CRF250RX 2022-2024; CRF450R 2015-2016; CRF450R 2021-2024; CRF450R 2019-2020; CRF450R 50th Anniversary Edition 2023; CRF450R-S 2023-2024; CRF450R-S 2022; CRF450R Works Edition 2021-2024; CRF450R Works Edition 2019-2020; CRF450RX 2021-2024; CRF450RX 2019-2020; CRF450X 2019-2026

Husqvarna: FC250 2016-2018; FC250 2019-2022; FC350 2016-2018; FC350 2019-2022; FC450 2016-2018; FX350 2017-2018; FX350 2019-2022; FX450 2017-2018

KTM: 250 SX-F 2016-2018; 250 SX-F 2019-2022; 250 SX-F Factory Edition 2015-2017; 250 SX-F Factory Edition 2021; 250 XC-F 2016-2018; 250 XC-F 2019-2022; 350 SX-F 2016-2018; 350 SX-F 2019-2022; 350 XC-F 2016-2018; 350 XC-F 2019-2022; 350 XC-F Kailub Russell 2021; 450 SX-F 2016-2018; 450 SX-F Factory Edition 2015-2017; 450 XC-F 2016-2018

Kawasaki: KLX110 2002-2009; KX250 2021-2024; KX250X 2021-2024; KX450 2019-2023; KX450 2024-2026; KX450 50th Anniversary Edition 2024; KX450F 2016-2018; KX450F 2019-2020; KX450SR 2022-2026; KX450X 2021-2023; KX450X 2024-2026

Suzuki: DR-Z110 2003-2005; RMZ250 2019-2026

Yamaha: YZ250F 2019-2026; YZ250F 50th Anniversary Edition 2024; YZ250F 70th Anniversary Edition 2026; YZ250F Monster Energy Race Edition 2021-2025; YZ250FX 2019-2025; YZ450F 2020-2022; YZ450F 2023-2025; YZ450F 50th Anniversary Edition 2024; YZ450F Monster Energy Race Edition 2023-2025; YZ450FX 2021-2023; YZ450FX 2024-2026

Product Style	Item #	Store SKU	Manufacturer Product #	Availability
Product Style Stainless Steel/Aluminum/Carbon Fiber	Item # 10453084	Store SKU	Manufacturer Product # 19-34413	Availability Available: Ships in 1-2 business days

$39.99/yr.

Spend Less. Ride More.

5% RPM Cash Back*
10% Off Over 70 Brands
$15 in RPM Cash When You Join
Free 2-Day Shipping & Free Returns*
And more!

Become a member today! Add RPM to cart

By purchasing and enrolling in Riders Preferred Membership, you agree to the Program Terms and Conditions. *Some exclusions apply: 10% RPM discount applies on full price and sale price Exclusive Brands. 10% RPM discount applies on additional select brands at full price. Exclusions apply. RPM free 2-day shipping applies on qualifying items, contiguous U.S. only. Not available for AK, HI, or U.S. Territories. View shipping policies. RPM free returns apply on qualifying items and are processed on standard return timeline, contiguous U.S. only. View return policy.