Availability
for SBC and BBC applications, these systems are equipped with standard cast aluminum short risers, and are direct replacements for many stock Mercruiser manifolds in Bravo and Alpha applications using exhaust selector systems or Merc "S" pipes. Eddie Marine EMI Thunder manifolds are hardcoat anodized (except polished version) to military spec to prevent corrosion—and come standard with a black Fusioncoat finish, with optional finish colors available. Choose the model recommended for your watercraft engine. Eddie Marine EMI Thunder systems include: * EMI exhaust manifolds * Aluminum risers * Bolts, exhaust and riser gaskets, fittings
( 2 )
$1,798.00
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$2,938.95
Sierra Marine exhaust manifolds are painted, packaged, and leak-tested. Your boat's exhaust manifold will not last forever and ignoring it could lead to engine problems. Sierra Marine offers a vast selection of quality units that will allow you to replace your corroded manifold, avert problems, and enjoy trouble-free service.
( 16 )
$199.99
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$569.99
Eddie Marine exhaust block-off plates are made from stainless steel and black Fusioncoated for looks and protection. They're used to block off the exhaust outlet on Mercruiser Bravo Gimal housings, when removing the stock exhaust "Y" pipe for through-transom exhaust applications.
( 1 )
$61.95
Clearance
Sierra Marine exhaust elbow risers are designed to fit the center rise exhaust manifolds used on specific early marine engines. The elbow risers feature precisely machined cast-iron bodies, are painted black, and come to you ready for installation right out of the box. Protect yourself and your investment, choose Sierra Marine's quality engine and drive parts and get back on the water with over 50 years of experience powering the way.
( 2 )
$189.99
$85.99
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$229.99
Eddie Marine EMI Thunder exhaust system with high performance "S" pipe risers offer the perfect solution for existing exhaust flow below swim steps. Featuring stainless steel high-flow risers, these EMI systems enable the exhaust to exit underwater at idle keeping them quiet when you want it most. Adjust the outlet position by changing the size of the exhaust hose connecting the riser with the exhaust bend. The 16 in. long risers are a must with high performance camshafts to prevent reversion (water ingestion). Eddie Marine EMI Thunder manifolds are hardcoat anodized (except polished version) to military spec to prevent corrosion and come standard with black Fusioncoat finish, with optional finish colors available. Eddie Marine EMI Thunder systems include: * EMI exhaust manifolds * Stainless steel risers * 80 degree bends * Bolts, exhaust and riser gaskets, fittings * 4 in. exhaust hose and clamps
Not Yet Reviewed
$4,304.95
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$4,798.95
Their best performing system—Eddie Marine EMI Thunder exhaust systems with high performance risers. They feature Thunder manifolds with integral water-cooled exhaust dividers and large individual runners for maximum horsepower gains. They're topped with long stainless steel high-flow risers (a must with high performance camshafts to prevent reversion—water ingestion). Offered for SBC and BBC, these systems are direct replacements for many stock Mercruiser manifolds, and the risers are also available in a 3 in. taller version to replace Merc manifolds using a spacer. Eddie Marine EMI Thunder manifolds are hardcoat anodized (except polished version) to military spec to prevent corrosion—and come standard with a black Fusioncoat finish, with optional finish colors available. Eddie Marine EMI Thunder systems include: * EMI exhaust manifolds * Stainless steel risers * Bolts, exhaust and riser gaskets, fittings
( 1 )
$3,354.95
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$3,974.95
Eddie Marine EMI Thunder exhaust manifolds deliver exceptional performance at affordable prices. They're constructed from the highest strength 356 aluminum that is heat-treated to a T-6 condition after it is cast. The manifolds are then hardcoat anodized—a process that thickens and toughens the naturally occurring protective oxide in the aluminum—to prevent corrosion of all surfaces, including the internal water passages. EMI Thunder manifolds feature superior runner designs and port separation. They are available in a variety of Fusioncoat colors or highly polished (uncoated). Order the model recommended for your engine application.
Not Yet Reviewed
$1,679.95
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$2,191.95
Eddie Marine EMI Thunder 496 Chevy exhaust manifolds deliver exceptional performance at affordable prices. They're constructed from the highest strength 356 aluminum that is heat-treated to a T-6 condition after it is cast. The manifolds are then hardcoat anodized—a process that thickens and toughens the naturally occurring protective oxide in the aluminum—to prevent corrosion of all surfaces, including the internal water passages. (Polished manifolds have no corrosion-resistant coating.) Eddie Marine EMI Thunder 496 Chevy exhaust manifolds feature superior runner designs and port separation. They're available in a variety of Fusioncoat colors or highly polished (uncoated). Order the model recommended for your engine application. These Eddie Marine assemblies include: * EMI Thunder 496 Chevy exhaust manifolds * Oil filter, accessory bracket, and Merc water drains * Bolts, exhaust gaskets, and fittings * Jumper hoses
Not Yet Reviewed
$2,844.95
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$2,870.95
Eddie Marine EMI Thunder exhaust systems with Silent Choice high performance risers are designed to be used with EMI Silent Select, as well as Mercury Silent Choice and other aftermarket selector systems. These systems are offered for a variety of SBC and BBC, including 3 in. taller versions to replace Merc manifolds using a 3 in. riser spacer block. Eddie Marine EMI Thunder manifolds are hardcoat anodized (except polished version) to military spec to prevent corrosion and come standard with a black Fusioncoat finish, with optional finish colors available. Eddie Marine EMI Thunder systems include: * EMI exhaust manifolds * Stainless steel risers * Bolts, exhaust and riser gaskets, and fittings
Not Yet Reviewed
$3,354.95
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$3,856.95
Eddie Marine EMI Thunder exhaust systems with SS high performance dry pipe risers offer the ultimate performance with 32 in. stainless steel risers. These long risers will keep the water and exhaust separated until the very end of the pipe. If reversion is an issue with your high performance application, these EMI Thunder systems are your solution. The manifolds are hardcoat anodized (except polished version) to military spec to prevent corrosion—and come standard with a black Fusioncoat finish, with optional finish colors available. Order the model recommended for your watercraft engine. Eddie Marine EMI Thunder systems include: * EMI exhaust manifolds * Stainless steel risers
Not Yet Reviewed
$3,830.95
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$4,382.95
Eddie Marine's EMI Thunder exhaust system for 496 Chevy with +3 in. taller high performance risers is their best performing system yet! They feature Thunder manifolds with integral water-cooled exhaust dividers and large individual runners for maximum horsepower gains. They're topped with long stainless steel high-flow risers (a must with high performance camshafts to prevent reversion—water ingestion). These systems are direct replacements for many stock Mercruiser 496 manifolds, and the risers are a 3 in. taller version to replace some Merc manifolds using a spacer. The Eddie Marine EMI Thunder manifolds are hardcoat anodized (except polished version) to military spec to prevent corrosion—and come standard with black Fusioncoat finish, with optional finish colors available. Eddie Marine Exhaust System for 496 Chevy with +3 in. taller high performance risers include: * EMI exhaust manifolds * Taller risers (+3 in.), stainless steel with 10mm Merc temp sensor bungs * Oil filter, accessory bracket, and Merc water drains * Bolts, exhaust and riser gaskets, fittings * Jumper hoses * 5-year warranty
Not Yet Reviewed
$4,199.95
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$4,229.95
Eddie Marine EMI Thunder Exhaust Systems for 496 Chevy with Silent Choice high performance risers are designed to be used with EMI Silent Select, as well as Mercury Silent Choice and other aftermarket selector systems—or where a short riser is need for additional clearance. These systems are offered for Merc 496 Chevys, including 3 in. taller versions to replace some Merc manifolds using a 3 in. riser spacer block. This system is not recommended for use on engines with performance aftermarket camshafts. Eddie Marine EMI Thunder manifolds are hardcoat anodized (except polished version) to military spec to prevent corrosion—and come standard with black Fusioncoat finish, with optional finish colors available. Eddie Marine EMI Thunder System for 496 Chevy with Silent Choice high performance risers include: * EMI exhaust manifolds * Stainless steel risers with 10mm Merc temp sensor bungs * Oil filter, accessory bracket, and Merc water drains * Bolts, exhaust and riser gaskets, fittings * Jumper hoses * 5-year warranty
Not Yet Reviewed
$4,501.95
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$4,526.95
Eddie Marine's EMI Thunder Exhaust Systems for 496 Chevy with high performance risers is their best performing system yet! They feature Thunder manifolds with integral water-cooled exhaust dividers and large individual runners for maximum horsepower gains. They're topped with long stainless steel high-flow risers (a must with high performance camshafts to prevent reversion—water ingestion). These systems are direct replacements for many stock Mercruiser 496 manifolds, and the risers are also available in a 3 in. taller version to replace some Merc manifolds using a spacer. The Eddie Marine EMI Thunder manifolds are hardcoat anodized (except polished version) to military spec to prevent corrosion—and come standard with black Fusioncoat finish, with optional finish colors available. Eddie Marine Exhaust Systems for 496 Chevy with high performance risers include: * EMI exhaust manifolds * Stainless steel risers with 10mm Merc temp sensor bungs * Oil filter, accessory bracket, and Merc water drains * Bolts, exhaust and riser gaskets, fittings * Jumper hoses * 5-year warranty
Not Yet Reviewed
$4,501.95
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$4,526.95
Eddie Marine's EMI Thunder Exhaust System for 496 Chevy with high performance S-pipe risers offers the perfect solution for existing exhaust flow below swim steps. Featuring stainless steel high-flow risers, these EMI systems enable the exhaust to exit underwater at idle—keeping them quiet when you want it most. Adjust the outlet position by changing the length of the exhaust hose connecting the riser with the exhaust bend. The 16 in. long risers are a must with high performance camshafts to prevent reversion (water ingestion). Eddie Marine EMI Thunder manifolds are hardcoat anodized (except polished version) to military spec to prevent corrosion—and come standard with black Fusioncoat finish, with optional finish colors available. Eddie Marine EMI Thunder System for 496 Chevy with high performance S-pipe risers include: * EMI exhaust manifolds * Stainless steel risers with 10mm Merc temp sensor bungs * Oil filter, accessory bracket, and Merc water drains * 80 degree bends * Bolts, exhaust and riser gaskets, fittings * 4 in. exhaust hose and clamps * Jumper hoses * 5-year warranty
Not Yet Reviewed
$4,781.95
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$4,798.95
Eddie Marine's EMI Thunder Exhaust System for 496 Chevy with SS high performance dry pipe risers offers the ultimate performance with 32 in. stainless steel risers. These long risers will keep the water and exhaust separated until the very end of the pipe. If reversion is an issue with your high performance application, these EMI Thunder systems are your solution. The risers extend through the transom of your boat and do not require exhaust hose or outlets. Eddie Marine EMI Thunder manifolds are hardcoat anodized (except polished version) to military spec to prevent corrosion—and come standard with black Fusioncoat finish, with optional finish colors available. Eddie Marine EMI Thunder Exhaust System for 496 Chevy with SS high performance dry pipe risers includes: * EMI exhaust manifolds * Stainless steel risers with 10mm Merc temp sensor bungs * Oil filter, accessory bracket, and Merc water drains * Bolts, exhaust and riser gaskets, fittings * Jumper hoses * Stainless steel transom mounting flanges and gaskets * 5-year warranty
Not Yet Reviewed
$4,594.95
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$4,619.95
Sierra Marine intake manifold spacers are a perfect replacement designed to help you maintain your high-performing Marine engine. Made from quality material, these spacers meet or exceed OEM specifications in quality and performance of the original part it replaces. Order the application you need.
( 1 )
$122.99
Sierra Marine offers a large selection of products including exhaust riser mounting kits for use with exhaust manifold risers. All Sierra products meet or exceed the original equipment requirements and are engineered to meet today's high horsepower engine demands while withstanding the harsh marine environment. Order the riser mounting kit for your application needs.
Not Yet Reviewed
$16.99
Clearance
Sierra Marine exhaust manifold mounting kits include the necessary parts needed to help complete your manifold installation. Each component in the kit is engineered to meet or exceed manufacturer's specifications to ensure the proper fit and function. Take the time out of sourcing parts with Sierra exhaust manifold mounting kits—these pre-assembled kits are a time saver! Order the exhaust manifold mounting kit suited to fit your application needs.
Not Yet Reviewed
$29.99
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$33.99
Dorman exhaust manifold mounting hardware is designed to replace broken, stripped, or corroded stock fasteners. The studs, bolts, and nuts are manufactured from quality materials and offered in a variety of finishes. Dozens of options are available; choose the lengths and thread sizes needed for your specific vehicle application. Pieces are sold individually, in pairs, or larger quantity sets. A secure exhaust manifold begins with Dorman mounting hardware.
( 285 )
$18.99
Summit Bucks
Walker Ultra Direct-Fit catalytic converters fit like OE, because the company makes original equipment! Besides the perfect fit, inside the Ultra catalytic converters are ceramic substrates with high-tech washcoat and the right loading of precious metals. The outside bodies are stainless steel for long life and durability. Catalytic converters are a vital part of your vehicle's emission control system; choose the fit, quality, and performance of a Walker Ultra catalytic converter. Order the replacement model designed for your vehicle application.
( 387 )
$617.99
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$656.99
Summit Bucks
Walker exhaust manifold hardware kits include a variety of components and are designed to work with Walker aftermarket parts on hundreds of vehicles dating as far back as the mid-70s. The pieces are manufactured from durable materials to ensure tight, leak-free connections. Beneath your chassis, Walker heavy-duty hardware helps to provide years of trouble-free performance.
( 15 )
$10.99
ATP exhaust manifolds are high-quality replacements developed from the OE specs to ensure they'll install and perform like the originals. These manifolds are manufactured from premium metals, like cast iron and stainless steel. All models are machined to ensure that the flanges are flat, mount evenly, and do not leak. Hundreds of models are available for fitment on countless vehicle and engine applications. ATP exhaust manifolds are backed by a limited lifetime warranty.
( 101 )
$472.99
Dorman direct-fit catalytic converters will help you get your car running in original form again. Over time, a catalytic converter can become clogged with carbon buildup and prevent your car from peak performance; it can even cause serious damage and emissions test failure. Dorman replacements are direct bolt-ins and are designed to be identical to your original converter, ensuring an easy installation. Order the model designed for fitment on your make/model vehicle.
( 2 )
$636.99
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$744.99
Dorman direct-fit manifold catalytic converters bring several parts together in one package for a turnkey installation. These top-quality exhaust manifolds are joined to the cat, and most models include gaskets and downpipe hardware, as well. Constructed from cast iron or stainless steel tubing, the units resist warping, cracking and leaks—and all undergo thorough inspection to ensure quality performance. Dorman direct-fit replacements deliver ease and convenience to your exhaust system upgrade. The kits are available for hundreds of makes and models.
( 20 )
$480.95
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$702.99
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