EMI-410 COMPLETE STD EMI THUNDER SYSTEM FOR SMALL BLOCK CHEVY
	A 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. Brackets to keep all of the stock components in their existing locations (shift quadrant, ignition module and oil filter bracket)are included when requested (There is an additional charge on some late model EFI systems). Complete systems come with all necessary bolts, gaskets and fittings. Standard with black Fusioncoated finish- optional finishes are available. Specify the correct accessory brackets and options when ordering. Not for use with engines equipped with High Performance camshafts! $1,085.00 (pair)

EMI-411 COMPLETE HP EMI THUNDER SYSTEM FOR SMALL BLOCK CHEVY
	Equipped with our performance Stainless Steel High Flow Risers, these are our best performing systems. They 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. The 16” long riser is a must with High Performance camshafts to prevent reversion (water ingestion). Becuase of their added lenght, these will NOT work with Selector systems or stock “S” pipe connections. Brackets to keep all of the stock components in their existing locations (shift quadrant, ignition module and oil filter bracket) are included when requested (there is an additional charge on some late model EFI systems). Complete systems come with all necessary bolts, gaskets and fittings. Standard with black Fusioncoated finish- optional finishes are available. Specify the correct accessory brackets and options when ordering. $1,599.00 (pair)

EMI-510 COMPLETE STD EMI THUNDER SYSTEM FOR BIG BLOCK CHEVY
	A 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. Brackets to keep all of the stock components in their existing locations (shift quadrant, ignition module and oil filter bracket)are included when requested (There is an additional charge on some late model EFI systems). Complete systems come with all necessary bolts, gaskets and fittings. Standard with black Fusioncoated finish- optional finishes are available. Specify the correct accessory brackets and options when ordering. Not for use with engines equipped with High Performance camshafts! $1,199.00 (pair)

EMI-511 COMPLETE HP EMI THUNDER SYSTEM FOR BIG BLOCK CHEVY
	Equipped with our performance Stainless Steel High Flow Risers, these are our best performing systems. They 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. The 16” long riser is a must with High Performance camshafts to prevent reversion (water ingestion). Becuase of their added lenght, these will NOT work with Selector systems or stock “S” pipe connections. Brackets to keep all of the stock components in their existing locations (shift quadrant, ignition module and oil filter bracket) are included when requested (there is an additional charge on some late model EFI systems). Complete systems come with all necessary bolts, gaskets and fittings. Standard with black Fusioncoated finish- optional finishes are available. Specify the correct accessory brackets and options when ordering. $1,699.00 (PAIR)

EMI-412 COMPLETE HP EMI THUNDER SYSTEM WITH SHORT RISERS FOR SMALL BLOCK CHEVY
	The shorter riser on these systems allows them to be used with EMI Silent Select systems as well as Mercury Silent Choice and other aftermarket selector systems. They also work well with Mercury "S" pipes. They 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. Brackets to keep all of the stock components in their existing locations (shift quadrant, ignition module and oil filter bracket) are included when requested (There is an additional charge on some late model EFI systems). Specify the correct brackets when ordering. Complete systems come with all necessary bolts, gaskets and fittings. Standard with black Fusioncoated finish. Optional finishes are available. Not recommended for use on engines equipped with long duration camshafts. $1,590.00 (PAIR)

EMI-512 COMPLETE HP EMI THUNDER SYSTEM WITH SHORT RISERS FOR BIG BLOCK CHEVY
	The shorter riser on these systems allows them to be used with EMI Silent Select systems as well as Mercury Silent Choice and other aftermarket selector systems. They also work well with Mercury "S" pipes. They 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. Brackets to keep all of the stock components in their existing locations (shift quadrant, ignition module and oil filter bracket) are included when requested (There is an additional charge on some late model EFI systems). Specify the correct brackets when ordering. Complete systems come with all necessary bolts, gaskets and fittings. Standard with black Fusioncoated finish. Optional finishes are available. Not recommended for use on engines equipped with long duration camshafts. $1,699.00 (PAIR)

EMI-413 COMPLETE HP DRY EMI THUNDER SYSTEM FOR SMALL BLOCK CHEVY
	For the ultimate in performance, these risers are 32” long and keep the water and exhaust separated until the very end of the pipe. Ideal for ultra High Performance applications. They 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. Brackets to keep all of the stock components in their existing locations (shift quadrant, ignition module and oil filter bracket) are included when requested(There is an additional charge on some late model EFI systems). Specify the correct brackets when ordering. Complete systems come with a pair of stainless steel through transom sealing rings and gaskets as well as all of the necessary bolts, gaskets and fittings. Standard with black Fusioncoated finish. Optional finishes are available. $1,775.00 (PAIR)

EMI-513 COMPLETE HP DRY EMI THUNDER SYSTEM FOR BIG BLOCK CHEVY
	For the ultimate in performance, these risers are 32” long and keep the water and exhaust separated until the very end of the pipe. Ideal for ultra High Performance applications. They 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. Brackets to keep all of the stock components in their existing locations (shift quadrant, ignition module and oil filter bracket) are included when requested(There is an additional charge on some late model EFI systems). Specify the correct brackets when ordering. Complete systems come with a pair of stainless steel through transom sealing rings and gaskets as well as all of the necessary bolts, gaskets and fittings. Standard with black Fusioncoated finish. Optional finishes are available. $1,950.00 (PAIR)