Gibson Bullet 4.5" Clamp On Performance Mufflers

Tested on 502HP, 500HP, 525HP, 575HP up to 1,200HP.
Reduces decibel range to be within 88db 2005 Sound Law.
Flow tested to ensure maximum effectiveness.
Straight through design.
Thru-Bolt, Transom Mount. 
No loss in horsepower up to 650hp.
Backed by a one year Limited Warranty against manufacture defects and material workmanship.

The Superflow Bullet Stainless Marine Mufflers have proven to reduce decibel range to be within the 88db required by California State Law without compromising power. Polished stainless steel.

We do not accept returns on any muffler