GPR Exhaust for Bmw R1200ST R1200RT 2003-2008, Satinox , Slip-on Exhaust Including Removable DB Killer and Link Pipe R 80 Gs 1980/1987 It has an oval shape

It has an oval shape with a diameter of 4

Its round shape has a diameter of 3

it Reference: BMW

It is made of hand-brushed 304 stainless steel

GPR Exhaust for Bmw R1200ST R1200RT 2003-2008, Satinox , Slip-on Exhaust Including Removable DB Killer and Link Pipe R 80 Gs 1980/1987 It has an oval shapeProduction Time: 7 10 DAYS Weight: 1. 8 Lbs. 3. 97 Kg. Length: 15. 75 in. 400 mm. GPR's Satinox silencer is made of 304 stainless steel. It has an oval shape with a diameter of 3. 5 inches x 4. 7 inches (90MM x 120MM). FEATURES SOUND: Upgraded sound from stock exhaust. Although louder than stock, this exhaust produces the softest sound of all the GPR exhausts. PERFORMANCE: Upgraded performance from stock exhaust QUALITY: Italian made with high grade