Enhance the performance and sound of your Ducati Monster 821 with the GPR Tech M3 silencer, a premium choice.
GPR exhaust compatible with Ducati Monster 821 2017-2021, M3 Titanium Natural, legal exhaust, approved, silencer with catalyst, removable db killer and specific link pipe.
Is the Db killer removable? Altering the db killer and the associated security welds/screws violates the product's compliance and makes it illegal for road use.
Is there a removable GPR catalyst? Yes, there is a catalytic converter.
Round shaped silencer.
End cap in brushed stainless steel.
Legal exhaust, approved, silencer with catalyst, removable db killer and specific link pipe.
M3 TITANIUM, high-end developed through victories in the Moto3 World Championship, made of genuine hand-brushed TITANIUM, round shape with a diameter of 100mm, supplied with a removable racing grille and a carbon support band.
Connection and catalytic converter for assembly: this kit includes the specific catalyzed link and the corresponding kit of supports and accessories, allowing installation without structural modifications.
Original GPR product, developed through extensive experience in the Moto World Championship, offers an innovative design, increased performance, significant weight savings, and improved sound of the bike.
Removable db killers and catalytic converters? Altering the welds on the db killer and the catalyst or the anti-tampering screws or removing the attachment is illegal for road use and non-compliant with EU directives; this is only possible for use in RACING on tracks. The use of the open version on the road is not compliant with public road regulations.
You can use the kit for the official annual inspection.
Mounting recommendations: GPR products are plug and play, but it is still recommended to install the products in a professional workshop; no claims will be accepted in case of incorrect installations.
The specific homologation certificate is provided, along with installation instructions; each silencer bears the homologation code. In case of problems encountered during installation, it is mandatory to stop and suspend the activity, and to immediately seek information and/or advice from customer service.
If you buy online, it is recommended to purchase the product from a seller in YOUR COUNTRY to ensure that the item arrives with the appropriate approvals that must also comply with local legislation. Make sure before buying that the seller is trustworthy and offers items suitable for your road network.
Is it limited to 95Db for Tyrol and Switzerland? No, but this limit is only required for local citizens and not for tourists.
No structural modifications of the bike are required for installation to use the product in an approved version. It is recommended to read the instructions in the package or watch visible tutorials on YouTube.
The exhaust has a removable db killer (noise limiter) for racing use; removing the db killer is not ONLY illegal, but the customer assumes responsibility for using the bike as if on the track only, without bags, without a flashlight, and no license plate holder or other parts that would conflict with the different gas angle due to the transformation into a racing version. Abuse of this situation on the road will result in the loss of the product warranty. From the date of purchase, with the right to repair with return to the GPR factory or the nearest official distributor at the customer's expense.
GPR cannot provide a new silencer in place of the one to be repaired; the customer must agree to reinstall the original exhaust or wait the standard time for the repair.
| Brand | GPR Tech |
| Supplier reference | E4.D.133.CAT.M3.TN |
| Color | matte titanium |
| Color | Silver |
| Gender | Mixed |
| Age group | Adult |