QD X-Treme Racing Half Exhaust System Kove 450 Rally (X) 2023-26
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Product Information
QD X-Treme Racing Half Exhaust System Kove 450 Rally (X)
Take your Kove 450 Rally or 450 Rally X to the next level with the QD X-Treme Racing Half Exhaust System. Developed specifically for rally and off-road competition, this semi-complete racing system combines a lightweight stainless steel de-catalyst pipe with QD's X-Treme silencer, delivering increased performance, reduced weight and a deep, controlled exhaust note.
Manufactured entirely from premium AISI 304 stainless steel and precision TIG welded, the system is built to withstand the toughest riding environments. Whether tackling dunes, rocky trails or muddy tracks, the X-Treme silencer features QD's special internal noise reduction system, providing an aggressive exhaust tone while maintaining excellent durability and reliability for demanding off-road use.
The included de-catalyst link pipe improves exhaust flow, reduces engine heat and helps unlock additional performance, making this the ideal upgrade for rally racing and adventure competition.
Compatible Models
· Kove 450 Rally 2023-2026
· Kove 450 Rally X
Key Features & Specifications
· Exhaust Type: Semi-complete racing exhaust system
· System Includes: X-Treme silencer and de-catalyst link pipe
· Silencer Series: QD X-Treme
· Body Material: AISI 304 stainless steel
· Link Pipe Material: AISI 304 stainless steel
· Construction: Fully TIG welded
· Catalytic Converter: De-catalyst pipe included
· Noise Reduction: Special internal noise reduction system
· dB Killer: Removable
· Application: Rally and off-road competition
· Homologation: Not homologated
Why Choose the QD X-Treme Racing System?
· Developed specifically for the Kove 450 Rally and Rally X
· Premium AISI 304 stainless steel construction throughout
· Precision TIG-welded for exceptional strength and durability
· Improves exhaust flow for increased engine performance
· Reduces exhaust heat by eliminating the catalytic converter
· Lightweight construction helps improve handling and agility
· Special internal noise reduction system delivers a deep, controlled exhaust note
· Removable dB killer allows the exhaust sound to be tailored to rider preference
· Built to withstand demanding rally conditions including sand, mud, rocks and water crossings
· Handcrafted in Italy
Performance Benefits
· Improved exhaust gas flow for enhanced engine performance
· Reduced overall system weight compared to the OEM exhaust
· Lower operating temperatures through removal of the catalytic converter
· Sharper throttle response and improved engine character
· Designed specifically for rally and competition use
What's Included?
· QD X-Treme stainless steel silencer
· Stainless steel de-catalyst link pipe
· Removable dB killer
· Mounting hardware
· Installation instructions
Assembly Instructions and Warnings
· Install using the supplied mounting hardware following standard workshop procedures.
· Ensure correct alignment before fully tightening all fixings.
· Recheck all fasteners after the first heat cycle.
· Professional installation is recommended.
· ECU recalibration is recommended to achieve maximum performance after installation.
· Removal of the dB killer will significantly increase exhaust noise levels.
Important Information
· This exhaust system is not homologated for road use.
· Intended for racing and closed-course competition use only.
· Removal of the catalytic converter and/or dB killer may not comply with road traffic regulations in your country.
Payment methods
Payment plans
Delivery and shipping
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UK stock items
Orders placed before 2pm, Monday to Friday (excluding bank holidays), are typically dispatched the same working day. Should an item be out of stock or a delay occur, we will contact you promptly to provide an update on your order and the expected dispatch date.
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UK mainland delivery
Smaller items are sent via Royal Mail 48 Hour for £5.50. Medium and Larger items are sent via our network of Couriers (Parcelforce, DPD, DHL and Fex Ex) for £8.92.
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Special order items
Special order items are ordered directly from our supplier. Delivery timescales are estimates and may vary depending on supplier availability. Orders are typically dispatched within 24 hours once they arrive.
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International Duties & Import Fees
Non-UK Customers (Excluding USA) - Tax will not be charged on your order, however local import duty fees will apply and are the responsibility of the customer upon delivery.
USA Customers - Import duties are calculated and included at checkout, allowing for a smooth and streamlined delivery experience. All applicable import duties are prepaid, helping to ensure there are no unexpected customs charges upon delivery. -
International delivery
We ship worldwide with all major courier services such as Parcelforce, Fed Ex, UPS, DHL etc. Most international orders arrive within 7 working days from dispatch; timings vary by destination and customs processing.
International customers can use our shipping cost calculator for delivery costs. -
Tracking Information
Once your order has been dispatched, tracking detail information will be emailed to you. If you provided a mobile number on your order, you will also receive a text from the courier with tracking information. Please ensure your delivery address information is correct before ordering. Additional charges may apply for repeated failed delivery attempts or incorrect delivery details supplied.



