Improve the performance of your Honda Crf 450 R-RX with the racing exhaust GPR Tech Pentacross, designed for the track.
GPR exhaust compatible with Honda Crf 450 R-RX 2020-2020, Pentacross Stainless Steel, racing exhaust, complete system, double silencer with removable db killers
Is the db killer removable? Altering the db killer and the associated safety welds/bolts violates product compliance and makes it illegal for road use.
Is there a removable GPR catalyst? No
Silencer in Conical shape
Tip colour Brushed stainless steel
Racing exhaust, complete system, double silencer with removable db killers
Complete RACING system for track use complying with FIM homologation limits, the kit includes a collector with ULTRABOMB extension and a new PENTACROSS silencer line. The collector and silencers are made from 304 stainless steel, average performance increase of 2hp, significant weight reduction, developed in collaboration with the MXGP team.
Collector: The 304 stainless steel collector is supplied, including flanges, rings, and the related support kit, the complete GPR fits directly onto the cylinders without structural modifications.
Original GPR product, developed through extensive experience in the World Motorcycle Championship, offers an innovative design, performance increase, relevant weight saving, and improved sound of the bike.
Italy,
RACING PRODUCT: This item is sold solely for use on RACING circuits! Use on the road in an open version does not comply with public road regulations.
NO DBKILLER: as a racing product, neither noise db killers nor catalysts are provided, this is a 100% sports item.
Using racing items may, in some cases, require remapping of the ECU, especially when additional modifications like installing a sports filter are present.
Installation recommendations: GPR products are plug and play, it is recommended to install the products in a professional workshop, no claims will be accepted for installations done at home.
If you buy online, it is recommended to purchase the product from a seller in YOUR NATION to ensure the item arrives with the correct approvals that must also comply with local legislation. Make sure before purchasing that the seller is trustworthy and provides 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.
No structural modifications to the bike are required for installation in order to use the product in an approved version. It is recommended to read the instructions in the package or watch tutorials visible on and on youtube.
The exhaust features 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 on the track only, without a baggage, without a flashlight, and number plate holder or any parts that would conflict with the gas angle change due to the conversion to racing version. Abuse of this situation on the road will result in the loss of the product warranty and any claims will be rejected. 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 to replace the one for repair, the customer must agree to reattach the original exhaust or wait the standard time for the repair.
| Brand | GPR Tech |
| Supplier reference | PNT.MX.1.IO |
| Color | black |
| Color | Black |
| Motorcycle brand | Honda |