GPR Exhaust - Trioval Slip-On for BMW R 1150 GS Adventure - 1999 to 2004 Muffler with:dB Killer-Link Pipe use common sense to determine

use common sense to determine how often to clean in behind as you would with all other areas of your bike

plus many practical touches

XL foam with a flawless fit

Customising out of the box: easy installation using two auxiliary brackets on existing mounting points at the rear frame

GPR Exhaust - Trioval Slip-On for BMW R 1150 GS Adventure - 1999 to 2004 Muffler with:dB Killer-Link Pipe use common sense to determineGPR's Trioval series is a GPR best seller, with a classic ovoid drop shape. It is made of hand polished 304 stainless steel and has a diameter of 100mm. Product Features SOUND: Upgraded sound from stock exhaust. Although louder than stock but in compliance with the limits prescribed by law, this exhaust produces the softest sound of all the GPR exhausts. PERFORMANCE: Upgraded performance from stock exhaust QUALITY: Italian made with high grade welding