and a 100% waterproof hydratex membrane

This creates a durable protective coating which will guard your chain against corrosion and metal to metal wear

26% more than the stock filter

The form-stabilising padded insert perfectly (PE) protects the contents and at the same time prevents any buckling or fluttering at high speeds

GPR Exhaust - Hyper Sonic Inox Slip-On for BMW R 1100 R - 1994 to 2002 Supplier-RaceTech and a 100% waterproof hydratexHyper Sonic Inox is part of the new generation of GPR exhausts, realized with a production process with zero environmental impact. It has dual outlets, sleeve stainless steel made and caps CNC machined in order to obtain maximum power increase and a better sound. 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