{"product_id":"emi-thunder-exhaust-system-sb-chevy-with-high-perf-ss-risers","title":"EMI Thunder Exhaust System - SB Chevy with High Perf SS Risers","description":"\u003cdiv\u003e\u003cstrong\u003eEMI Thunder Exhaust System - SB Chevy with High Perf SS Risers\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003eEquipped with our performance Stainless Steel High Flow Risers, these are our best performing systems. They are a direct replacement for many stock Mercruiser manifolds in Bravo and Alpha applications with exhaust outlets in the stock location \u003c\/span\u003e\u003ci\u003e(if you have existing exhaust outlets, you should check our dimensions to determine fit before ordering)\u003c\/i\u003e\u003cspan\u003e. The 16\" long riser on these systems is a must with High Performance camshafts to prevent reversion \u003c\/span\u003e\u003ci\u003e(water ingestion)\u003c\/i\u003e\u003cspan\u003e. \u003c\/span\u003e\u003cb\u003eNOTE:\u003c\/b\u003e\u003cspan\u003e Engines using larger than stock, aftermarket camshafts may require a dry tailpipe system to prevent reversion. Provide us with your camshaft's lope separation angle and duration at .050\" before choosing an exhaust system! These longer risers \u003c\/span\u003e\u003cb\u003eWILL NOT\u003c\/b\u003e\u003cspan\u003e work with Selector systems or stock \"S\" pipe connections. Brackets to keep all of the stock components in their existing locations \u003c\/span\u003e\u003ci\u003e(shift quadrant, ignition module and oil filter bracket)\u003c\/i\u003e\u003cspan\u003e are available and sold separately.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eFeatures:\u003c\/b\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003e\u003c\/b\u003eLarge individual runners for ultra-efficient exhaust flow and velocity\u003c\/li\u003e\n\u003cli\u003eDirect replacement for many stock Mercruiser manifolds in Bravo \u0026amp; Alpha apps\u003cbr\u003e\u003ci\u003e\u003cspan\u003e*See our systems dimensions in the Technical Specs below to confirm fitment.\u003c\/span\u003e\u003c\/i\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMinimum 10% increase in torque and horsepower\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e316 stainless steel investment cast, one-piece riser flange\/inner pipe\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eStandard 4” exhaust hose connections\u003c\/li\u003e\n\u003cli\u003eIntegral water-cooled exhaust divider\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e70lbs lighter than stock cast iron exhaust systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eFive year limited warranty\u003c\/li\u003e\n\u003cli\u003eConstructed from the highest strength 356 aluminum\u003c\/li\u003e\n\u003cli\u003eThree step coating process for ultimate corrosion resistance\u003c\/li\u003e\n\u003cli\u003eHeat treated to a T-6 condition\u003c\/li\u003e\n\u003cli\u003eMilitary specification Hard-Coat Anodize undercoat\u003c\/li\u003e\n\u003cli\u003eUltra-durable Fusioncoat Finish\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cb\u003eSystem Includes:\u003cbr\u003e\u003c\/b\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003e\u003c\/b\u003e\u003cspan\u003e1pr. EMI Exhaust Manifolds\u003cbr\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e1pr. Aluminum Risers\u003cbr\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eBolts, exhaust and riser gaskets, and fittings.\u003cbr\u003e\u003c\/span\u003e\u003ci\u003e* Accessory brackets are sold separately\u003c\/i\u003e\u003cspan\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\nEMI Thunder manifolds are hard coat anodized to a military spec throughout to prevent corrosion.\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eStandard with Black, Blue, and Red Fusioncoat finishes.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cb\u003e\u003ci\u003e*Not for use with engines equipped with high performance camshafts!\u003c\/i\u003e\u003c\/b\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e\u003c\/b\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eA Warranty Unlike Any Other!\u003c\/b\u003e\u003cbr\u003eAll EMI Thunder exhaust systems (except systems with a polished finish) come\u003cbr\u003ewith a limited 5 year warranty against defects and failure to the original owner!\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Eddie Marine","offers":[{"title":"Bright Polished Finish","offer_id":46895071690940,"sku":"EMI-411P","price":3354.95,"currency_code":"USD","in_stock":true},{"title":"Bright Blue Fusioncoat Finish","offer_id":46895071723708,"sku":"EMI-411B","price":3379.95,"currency_code":"USD","in_stock":true},{"title":"Gloss Black Fusioncoat Finish","offer_id":46895071756476,"sku":"EMI-411BK","price":3227.95,"currency_code":"USD","in_stock":true},{"title":"Bright Red Fusioncoat Finish","offer_id":46895071789244,"sku":"EMI-411R","price":3379.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/8676\/8828\/files\/EMI-411-2T.png?v=1780501728","url":"https:\/\/eddiemarine.com\/products\/emi-thunder-exhaust-system-sb-chevy-with-high-perf-ss-risers","provider":"Eddie Marine","version":"1.0","type":"link"}