{"title":"Exhaust Products for Outboard Engines","description":null,"products":[{"product_id":"bobs-outboard-exhaust-housing-merc-403-210000","title":"Bob's Machine Shop Outboard exhaust housing - Merc","description":"\u003cp\u003e\u003cem\u003e\u003cstrong\u003eExhaust Housing – Mercury\u003cbr\u003e\n\u003c\/strong\u003e\u003c\/em\u003e* EH-M MERCURY EXHAUST HOUSING – 2.O L,2.4L,2.5L ONLY\u003c\/p\u003e\n\n\u003ctable border=\"0\" cellspacing=\"1\" cellpadding=\"2\" align=\"center\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"50%\"\u003e\n\u003cp align=\"center\"\u003e\u003cstrong\u003eExhaust Housing designed for Outboards\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp align=\"LEFT\"\u003eWithout modification to the engine, this simple, after-market add-on is designed to relieve back pressure on the engine, and results in more efficient low-end throttle response, a better tuned engine and increase fuel economy.\u003c\/p\u003e\n\u003cp align=\"left\"\u003eThe unit comes complete with two removable plugs and four screws, so the casting can be installed on the back of your motor within a matter of minutes.\u003c\/p\u003e\n\u003cp align=\"left\"\u003eBy removing two plugs the unit will allow exhaust which normally travels through the propeller to escape above the water line, and consequently this results in your engine breathing and performing better. Replace the plugs in the unit and exhaust will travel through the prop again.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"50%\"\u003e\n\u003cp align=\"center\"\u003e\u003cimg src=\"https:\/\/bobsmachine.com\/images\/saver2.JPG\" alt=\"\" width=\"112\" height=\"89\" border=\"1\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/bobsmachine.com\/images\/saver3.JPG\" alt=\"\" width=\"166\" height=\"166\" border=\"1\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMerc. #EH-M\u003cbr\u003e\nO.M.C. #EH-O\u003cbr\u003e\nYamaha #EH-Y\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping weight:\u003c\/strong\u003e 4 lbs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage dimensions:\u003c\/strong\u003e 11 × 9 × 7 in\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bob's Machine Shop","offers":[{"title":"Default Title","offer_id":46169063456947,"sku":"403-210000","price":92.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0702\/4469\/6243\/files\/1-49.jpg?v=1791323336"},{"product_id":"bobs-outboard-exhaust-housing-yamaha-403-230000","title":"Bob's Machine Shop Outboard exhaust housing - Yamaha","description":"\u003cp\u003e\u003cem\u003e\u003cstrong\u003eExhaust Housing – OMC\u003cbr\u003e\n\u003c\/strong\u003e\u003c\/em\u003e* EH-Y Yamaha EXHAUST HOUSING – 2.6L motors\u003c\/p\u003e\n\n\u003ctable border=\"0\" cellspacing=\"1\" cellpadding=\"2\" align=\"center\" bgcolor=\"#00C4C4\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\" valign=\"top\" width=\"100%\"\u003eOutboard Exhaust Housing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\n\u003ctable border=\"0\" cellspacing=\"1\" cellpadding=\"2\" align=\"center\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"50%\"\u003e\n\u003cp align=\"center\"\u003e\u003cstrong\u003eExhaust Housing designed for Outboards\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp align=\"LEFT\"\u003eWithout modification to the engine, this simple, after-market add-on is designed to relieve back pressure on the engine, and results in more efficient low-end throttle response, a better tuned engine and increase fuel economy.\u003c\/p\u003e\n\u003cp align=\"left\"\u003eThe unit comes complete with two removable plugs and four screws, so the casting can be installed on the back of your motor within a matter of minutes.\u003c\/p\u003e\n\u003cp align=\"left\"\u003eBy removing two plugs the unit will allow exhaust which normally travels through the propeller to escape above the water line, and consequently this results in your engine breathing and performing better. Replace the plugs in the unit and exhaust will travel through the prop again.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"50%\"\u003e\n\u003cp align=\"center\"\u003e\n\n\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMerc. #EH-M\u003cbr\u003e\nO.M.C. #EH-O\u003cbr\u003e\nYamaha #EH-Y\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp align=\"center\"\u003e\n\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping weight:\u003c\/strong\u003e 4 lbs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage dimensions:\u003c\/strong\u003e 11 × 9 × 7 in\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bob's Machine Shop","offers":[{"title":"Default Title","offer_id":46169063686323,"sku":"403-230000","price":92.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0702\/4469\/6243\/files\/1-49_2934d611-946c-42b4-8625-848ef2fa5013.jpg?v=1791323338"},{"product_id":"bobs-mercury-exhaust-tuner-2-0-2-4-2-5l-411-100000","title":"Bob's Machine Shop Mercury Exhaust Tuner 2.0\/2.4\/2.5L","description":"\u003cp\u003eBob's Machine Shop exhaust tuner or velocity stack for outboard performance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eModel:\u003c\/strong\u003e Mercury Exhaust Tuner 2.0\/2.4\/2.5L\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSeries\/category: Exhaust Tuners \u0026amp; Velocity Stacks\u003c\/li\u003e\n\u003cli\u003eMade in the USA where noted on Bob's Machine Shop catalog for this product family\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePart number:\u003c\/strong\u003e 411-100000\u003c\/p\u003e\u003cp\u003ePriced 8% under MSRP.\u003c\/p\u003e","brand":"Bob's Machine Shop","offers":[{"title":"Default Title","offer_id":46169067618483,"sku":"411-100000","price":138.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0702\/4469\/6243\/files\/1-48.jpg?v=1791323360"},{"product_id":"bobs-mercury-velocity-stacks-2-0-2-4-2-5l-412-000000","title":"Bob's Machine Shop Mercury Velocity Stacks 2.0\/2.4\/2.5L","description":"\u003cp\u003eBob's Machine Shop exhaust tuner or velocity stack for outboard performance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eModel:\u003c\/strong\u003e Mercury Velocity Stacks 2.0\/2.4\/2.5L\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSeries\/category: Exhaust Tuners \u0026amp; Velocity Stacks\u003c\/li\u003e\n\u003cli\u003eMade in the USA where noted on Bob's Machine Shop catalog for this product family\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePart number:\u003c\/strong\u003e 412-000000\u003c\/p\u003e\u003cp\u003ePriced 8% under MSRP.\u003c\/p\u003e","brand":"Bob's Machine Shop","offers":[{"title":"Default Title","offer_id":46169067978931,"sku":"412-000000","price":138.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0702\/4469\/6243\/files\/1-48_53ade9fb-db18-49cc-bc5b-ca7fdfe243fe.jpg?v=1791323360"},{"product_id":"bobs-yamaha-exhaust-tuner-3-1-and-3-3l-411-200000","title":"Bob's Machine Shop Yamaha Exhaust Tuner - 3.1 \u0026 3.3L","description":"\u003cp\u003eBob's Machine Shop exhaust tuner or velocity stack for outboard performance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eModel:\u003c\/strong\u003e Yamaha Exhaust Tuner - 3.1 \u0026amp; 3.3L\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSeries\/category: Exhaust Tuners \u0026amp; Velocity Stacks\u003c\/li\u003e\n\u003cli\u003eMade in the USA where noted on Bob's Machine Shop catalog for this product family\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePart number:\u003c\/strong\u003e 411-200000\u003c\/p\u003e\u003cp\u003ePriced 8% under MSRP.\u003c\/p\u003e","brand":"Bob's Machine Shop","offers":[{"title":"Default Title","offer_id":46169068011699,"sku":"411-200000","price":138.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0702\/4469\/6243\/files\/1-48_81707cbb-f8eb-494d-a25d-fde817d59326.jpg?v=1791323361"}],"url":"https:\/\/averageboatguy.com\/collections\/bobs-exhaust-products.oembed","provider":"Average Boat Guy","version":"1.0","type":"link"}