A Series regulator is a significant upgrade over typical shunt type voltage regulators

or under the seat of a scooter

reducing damaging heat and friction buildup between the tire and mousse

Tri-glide buckle closure

GPR Exhaust - M3 Inox Double Slip-On for Honda VFR 800 V-Tec - 2002 to 2013 Muffler with:dB Killer-Link Pipes A Series regulator is aGPR developed the M3 Inox after the victories in the Moto3 World Championship. It has a removable racing grill and CNC machined bottoms. It has a hand brushed stainless steel body, and a round shape with a diameter of 100mm. Product Features SOUND: Upgraded sound from stock exhaust. PERFORMANCE: Upgraded performance from stock exhaust QUALITY: Italian made with high grade welding WEIGHT: Lighter than stock exhaust Technical Specifications Shape: Round