EMI 510 COMPLETE STD EMI THUNDER SYSTEM FOR BIG BLOCK CHEVYA great performance upgrade for stock engines. These systems are a direct replacement for stock Mercruiser manifolds in Bravo and Alpha applications where the exhaust outlets exit through the transom in the stock location. They will also work with EMI Silent Select or other aftermarket selector systems as well as stock Merc S pipes. (There is an additional charge on some late model EFI systems). Complete systems come with all necessary bolts, gaskets

Like all of our panels custom engraving is available

32" SSA12 16" throw 22

with the fenders their ideal position

Note: Standard fuel pumps will not work

They can also be used with our Aluminum “S” pipes part number 02-1225 for under swim step applications

DESIGNED AND ENGINEERED FOR MARINE USE WITH PROTECTIVE COATINGS AND O-RING SEALS THROUGHOUT FOR OPTIMUM MOISTURE AND CORROSION RESISTANCE

3/4"NPT Male x 1" Hose Barb x 1" Hose Barb

These are available in all the anodize and Fusioncoated colors

These will NOT work with Selector systems or stock "S" pipe connections

4'' diameter

Manufactured from stainless steel

Water Connection: 1" NPT