Yamaha YZ450 F 2018-2019 Exhaust GPR Pentacross Inox Full System

The Yamaha YZ450 F GPR Pentacross Inox Full System exhaust delivers enhanced performance for motocross riders. This racing system features a 304 stainless steel construction with an ULTRABOMB expansion chamber and PENTACROSS silencer design. The exhaust system increases power output by 2 horsepower while reducing overall weight. GPR developed this system through direct collaboration with MXGP racing teams to meet FIM homologation requirements.

GPR Exhaust Information

• Silencer Type: Pentacross Inox
• Product Category: Full system exhaust including removable db killer
• Removable DB Killer Included: Yes
• Exhaust Type: Full System
• Silencer Shape: Pentagonal
• Body Color: Brushed Stainless steel
• Endcaps silencer color: Brushed Stainless steel
• Catalyst: No
• EPA Compliance: Not required
• Two Year International Warranty: Included
• Construction: Hand-brushed 304 stainless steel with TIG welding
• European Homologation: Contact us more information on this exhaust or if you need homologation papers
• Made in Italy: Premium Italian manufacturing

Yamaha YZ450 F GPR Pentacross Inox Full System Details

• Direct Fitment: The system mounts directly to cylinder heads without modifications, including all necessary flanges, bushings and brackets
• Race-Proven Design: Developed through MXGP racing experience for optimal performance gains and weight reduction
• Premium Sound: The PENTACROSS silencer produces a full-bodied exhaust note while meeting FIM noise regulations
• Performance Enhancement: Engineered to deliver a 2 horsepower increase through optimized exhaust flow
• ECU Optimization: May require ECU remapping when combined with other performance modifications like sports air filters