QUESTIONS & ANSWERS
Have a Question?
Be the first to ask a question about this.
Gibson Bullet Marine Mufflers 4.50-in. inlet, 11-in. overall. Tested up to 1200HP with minimal or no power loss. High quality, Stainless construction. OEM style transom mount. Straight through design. Utilizes water to dampen the sound. These silencers were specifically designed for Large displacement motors such as 500HP, 502, 525, 525SC, 575. and up to 1,200hp. Easy bolt-on installation. The Gibson Marine Mufflers have proven to reduce decibel ranges within and to surpass the 88db limits required by the California SAE J2005 Motorboat Sound Law without compromising power.
Installation Instructions
WKP "Spartan Series" Flashing Device
WKP RTD4+ Flashing Device
Auto Agent 3
MPVI4 Device
Power Vision 3
Power Vision 4
Power Commander 6
Maptuner X ECU Flash Device
Maptuner Nano ECU Flash Device
AutoCal V3 Device
FlashScan V3 Device
Avtokomander Flashing Device
Powergate 4 Flashing Device
MM3 Flashing Device
SCT BDX Performance Programmer Flashing Device