BMW M Performance Carbon Fiber Exhaust Pipe Muffler Tips. FITS SIDE BY SIDE FOR TWIN EXHAUSTS –00. Can be used for single exhaust and mainly twin exhaust system. BMW F10 F11 F20 F21 F22 F23 F30 F31 F32 F33 CARBON FIBER BLACK EXHAUST TIPS. Description of application effect. Universal fit for most car. Perfect change your old or damaged exhaust tip. Durable and Long Lasting. Provide Eye-catching Show off and Personalized Your Car. High quality Carbon Fiber. FINISH: Black Glossy Carbon Fiber, Black Stainless Steel. MATERIAL: SUS 304 STAINLESS STEEL/CARBON FIBER. DIMENSIONS: INLET 63mm, OUTLET 80mm, LENGTH 170mm. PACKAGE INCLUDE: x2 EXHAUST TIP.