GPR Pentacross FULL Titanium Exhaust – Honda Crf 450 R/RX 2021/2025 2021/2025

GPR ExtraCee Pentacross FULL Titanium – Honda Crf 450 R/RX 2021/2025 2021–2025

The GPR ExtraCee Pentacross FULL Titanium is a complete full system exhaust engineered specifically for the Honda Crf 450 R/RX 2021/2025 2021–2025. Designed and handcrafted in Italy by GPR, this exhaust replaces the entire stock exhaust system — from manifold to silencer — delivering a significant improvement in engine performance, weight reduction, and an unmistakable exhaust note. Whether you ride on the open road or push your bike on the track, the GPR Pentacross FULL Titanium transforms the riding experience of your Crf 450 R/RX 2021/2025.

This is a GPR's FULL TITANIUM complete racing system for track use developed in collaboration with the best MXGP teams. The kit consists of a manifold with Ultrabomb expansion and new Pentacross silencers. The manifold and silencers are titanium made, this system produces an average performance increase of 2cv. FEATURES • SOUND: Upgraded sound from stock exhaust • PERFORMANCE: Upgraded performance from stock exhaust • QUALITY: Italian made with high-grade welding • WEIGHT: Significant reduction in weight • PERFORMANCE: Average performance increase of 2 cv • PERFORMANCE: Average performance increase of 2 cv

Performance / Racing Use: This exhaust is designed for performance and racing applications. Please verify local road regulations before fitting to a street-registered motorcycle.

Installation & Warranty Information

To install, no structural modifications are required. GPR recommends reading the included instructions or tutorial on http://www.gpr.it or the GPR channel on Youtube. For on-line purchases, activate the warranty by sending the installation receipt from the mechanic / shop via email to certificato@gpr.it, or sending the sales receipt from the physical or online store. The exhaust has a removable db killer (noise restrictor) for racing use. Removing the DB Killer is ILLEGAL and the customer assumes the responsibility if they use the motorbike as on the circuits only, without bags, without flash lights, number plate holder or other parts that would conflict with the different angle of the gas following the transformation into the racing version. Abuse of this situation on the road will result in the loss of the product warranty and any refund request will be rejected. The warranty is two years from the purchase, with right of reparation with a return to the GPR factory, or the nearest official distributor at the customer's expense. GPR will not provide a new silencer, but will repair the original silencer. The customer must accept to remount the original exhaust or wait the standard time for the repair.

Key Features

• The manifold is made of titanium. The package includes flanges, bushings, brackets. It mounts directly on the cylinders without any structural changes.
• This is an original GPR product, developed after GPR's experience in the World Championship. It offers an innovative design, improved performance, weight savings and a full-bodied sound.
• Made in Italy with a 2-year international warranty.
• RACING PRODUCT: This exhaust is supplied with a removable DB Killer. However, it is a RACING product and is not legal for road use.
• This kit does not include a catalyst.
• In some cases, the use of racing items may require the remapping of the ECU, especially when there are additional modifications, such as the installation of a sports filter.
• GPR Products are plug-and-play. However, we do recommend a professional installation.
• If you buy online from a seller that is NOT GPR, we recommend you buy from a seller in YOUR COUNTRY to ensure that the item arrives with the correct approvals that must also comply with local legislation. Make sure before purchasing that the seller is trustworthy and offers the items for your road network.

Technical Specifications

• Compatible motorcycle: Honda Crf 450 R/RX 2021/2025 2021–2025
• Exhaust type: Racing full system exhaust, including removable db killer/spark arrestor
• Silencer shape: Conical
• Body finish: Brushed Titanium
• End cap finish: Brushed Titanium
• Silencer length: 350 mm / 13.8 in
• Weight: 1.5 kg / 3.31 lbs
• Homologated: No – performance/racing use
• Eco certification: ISO 14021 – Zero Impact Production Process
• Origin: Made in Italy
• Warranty: 2 Years International

DB Killer Information

Tampering with the dbkiller and the related welds/safety screws violates the conformity of the product and makes it illegal for road use.

About GPR ExtraCee

GPR Italia is one of Europe's most respected motorcycle exhaust manufacturers, with decades of experience in both road and competition exhaust systems. The ExtraCee line represents GPR's commitment to delivering World Championship-derived engineering to everyday riders. Every GPR exhaust is handcrafted in Italy using premium materials, precision TIG welding, and subjected to rigorous quality control — backed by a 2-year international warranty.

Brand: GPR Italy  |  Made in Italy  |  Warranty: 2 Years International