Enhance the performance of your Moto Guzzi California with the GPR Tech exhaust, designed for speed enthusiasts.
GPR exhaust compatible with Moto Guzzi California 1100 Special-Stone-Sport-Ev-Alu 1997-2002, De-catalyser, Catalyst silencer, de-catalyser, non-homologated item
Is the Dbkiller removable? No
Is there a removable GPR catalyst? No, it will remove the catalytic converter. In some countries, this will make the motorcycle illegal for road use. It may also require other ECU adjustments to protect the engine and ensure optimal performance. This is the owner's responsibility.
It can be fitted with the original or GPR silencer
Brushed stainless steel
Catalyst silencer, de-catalyser, non-homologated item
De-cat collector, made of satin 304 stainless steel with visible TIG welds, it also fits the original silencer. When the original catalyst is located in the collector, it is eliminated with the installation of the GPR collector.
Catalyst removal: the GPR collector removes the original catalyst
Original GPR product, developed through great experience in the World Motorcycle Championship, offers an innovative design, increased performance, significant weight reduction, and improved sound of the motorcycle.
Italy,
RACING PRODUCT: This item is sold only for RACING use on tracks! Use on the road in open version does not comply with public road traffic regulations.
NO DBKILLER: being a racing product, neither dbkillers for noise nor catalysts are provided; it is a 100% sporty item.
The use of racing items may require, in some cases, remapping the ECU, especially in the presence of additional modifications such as the installation of a sports filter.
Mounting recommendations: GPR products are plug and play, it is recommended to install the products in a professional workshop, no claims will be accepted in case of installation at home.
If you buy online, it is recommended to purchase the product from a seller in YOUR NATION to ensure that the item arrives with the correct approvals that must also comply with local legislation. Make sure before buying that the seller is trustworthy and offers items 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.
It can be fitted with the original or GPR silencer. No structural modification of the motorcycle is required for the installation in order to use the product in an approved version. It is recommended to read the instructions in the package or the tutorials visible on and on YouTube.
The exhaust has a removable dbkiller (noise limiter) for racing use; removing the dbkiller is not ONLY illegal but the customer assumes responsibility for using the motorcycle as on the track only, without saddlebags, without flashlight and registration plate holder or any other parts that would conflict with the different angle of the gas due to the conversion to racing version. Abuse of this situation on the road will result in the loss of product warranty and any claim will be rejected. From the purchase, with the right to repair with return to 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 reassemble the original exhaust or wait for the standard repair time.
| Brand | GPR Tech |
| Supplier reference | GU.58.DEC |
| Color | silver |
| Color | Silver |
| Motorcycle brand | Moto Guzzi |