Stainless Steel Hose Clamp
Fits: 3/4” - 1 1/2” (18mm – 38mm)
Mallory Marine is the leading supplier of quality engine and drive parts. We offer thousands of quality parts for every Outboard, Inboard, & Sterndrive. No matter what your service or maintenance needs may be, Mallory Marine has the right part at the right price with unparalleled quality and performance.
These 4" exhaust risers fit Mercury® bolt pattern manifolds and Mercury
Silent Choice. The system bolts on without making any modifications.
This riser will increase your engines performance by approximately 10
horsepower, with a better mid range and top end throttle response. Kit includes 2 brackets for shift and ECM.
Stainless Steel Risers For Original Mercury Manifolds - Standard Dimensions
These 4" exhaust risers fit Mercury® bolt pattern
manifolds. This riser will increase your engines performance by approximately 10
horsepower, with a better mid range and top end throttle response. These include with 1 shift bracket, 1 electrical bracket, 2 gaskets
and 8 bolts and washers