{"product_id":"s-s-silencieux-grand-national-4-5-sportster-rh975-noir","title":"S\u0026S - Grand National 4.5\" Slip-On Mufflers - Sportster RH975 - Black","description":"\u003cp data-start=\"17\" data-end=\"388\"\u003eS\u0026amp;S Cycle Grand National Slip-On Mufflers perfectly combine the style and feel of a classic Sportster with modern engine technology. Designed specifically for the Nightster, this S\u0026amp;S Slip-On system complements the original look while improving engine breathing and providing a deeper, more distinctive exhaust note.\u003c\/p\u003e\n\u003cp data-start=\"390\" data-end=\"643\"\u003eThanks to their finish matching the original manifold and heat shield, these mufflers integrate perfectly with the bike's lines. The machined Grand National Thruster end caps add a premium racing touch inspired by American Flat Track.\u003c\/p\u003e\n\u003ch3 data-section-id=\"u3csm9\" data-start=\"645\" data-end=\"676\"\u003eTechnical features\u003c\/h3\u003e\n\u003cul data-start=\"678\" data-end=\"1053\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\n\u003cli data-section-id=\"1q0adw4\" data-start=\"704\" data-end=\"744\"\u003eClassic Sportster-inspired style\u003c\/li\u003e\n\n\u003cli data-section-id=\"14ht2o9\" data-start=\"745\" data-end=\"779\"\u003eDeep, distinctive sound\u003c\/li\u003e\n\n\u003cli data-section-id=\"1i5rdof\" data-start=\"780\" data-end=\"816\"\u003eOptimized exhaust flow\u003c\/li\u003e\n\n\u003cli data-section-id=\"16sdcxt\" data-start=\"817\" data-end=\"883\"\u003eFinish matching the original manifold and heat shield\u003c\/li\u003e\n\n\u003cli data-section-id=\"1jj57fz\" data-start=\"884\" data-end=\"928\"\u003eMachined \u003cstrong data-start=\"901\" data-end=\"928\"\u003eGrand National Thruster\u003c\/strong\u003e end caps\n\n\u003c\/li\u003e\n\n\u003cli data-section-id=\"myxd6v\" data-start=\"929\" data-end=\"955\"\u003eRemovable dB reducer\u003c\/li\u003e\n\n\u003cli data-section-id=\"t3t3lv\" data-start=\"956\" data-end=\"994\"\u003eSound level compliant with \u003cstrong data-start=\"981\" data-end=\"994\"\u003eSAE J2825\u003c\/strong\u003e\u003cbr\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-section-id=\"lx0jxe\" data-start=\"1023\" data-end=\"1053\" data-is-last-node=\"\"\u003eMade in the USA 🇺🇸\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"442 Motor \u0026 Craft","offers":[{"title":"Default Title","offer_id":52985471795547,"sku":"18011502","price":530.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0923\/8301\/9355\/files\/s_ssilencieuxnighsterrh2noir4_5.webp?v=1778833881","url":"https:\/\/442motorcraft.com\/en-globale\/products\/s-s-silencieux-grand-national-4-5-sportster-rh975-noir","provider":"442 Motor \u0026 Craft","version":"1.0","type":"link"}