VooDoo Industries VSEBUSAJ9P Sidewinder Polished Exhaust Fits Suzuki Hayabusa GSX1300R 1999-2015 note, P.A.I.R. Block-off required for 99-07 Hayabusa 4" Diameter Megaphone with Removable 2.5" Baffle built with Light-Weight Stainless Steel Construction (under 12 lbs. with baffle installed). Includes Stepped Head pipes, O2 Sensor Bung, Removable Billet End cap & Mounting Hardware Exhaust clears Stock Oil Pan & Filter, however to maximize clearance combine VooDoo Sidewinder with an aftermarket oil pan (not included with kit). Billet Block-Offs are included for the removal of the Oil Cooler , which is required 1999-2007 Hayabusa Requires P.A.I.R Block-Off (sold separately as part # VPVBUSAJ9 for 99-07 & VPVBUSAK8 for 08-15 Hayabusa). Not Required for 08-15 Hayabusa however it does reduce backfire during deceleration Restricts Right Hand Cornering Clearance & Fairing Modifications are Required (Templates Included). Baffle is removable