{"product_id":"isr-performance-universal-exhaust-silencers-4","title":"ISR Performance Universal Exhaust Silencers - 4\"","description":"\u003cp\u003eOur universal 4\" exhaust silencer. Same idea as our 3\" silencer, sized for the 4\" tips on our GT Single, OMS Spec, and other ISR exhausts that run a single 4\" or dual 4\" outlet.\u003c\/p\u003e\u003ch3\u003eWhat It Does\u003c\/h3\u003e\u003cp\u003eSlides into the 4\" tip of your exhaust to drop the volume for sound-limited track events, late-night drives, or any time the full tone of your aftermarket exhaust is more than the moment calls for. Held in place by a set screw that locks into a hole drilled through the exhaust tip. Pops back out when you're ready to let the exhaust breathe.\u003c\/p\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eUniversal. Works with any exhaust system that has 4\" tips. \u003cstrong\u003eYour exhaust will need to be drilled for the silencer set screw hole; the set screw itself is not included.\u003c\/strong\u003e\u003c\/p\u003e\u003ch3\u003eProduct Details\u003c\/h3\u003e\u003cp style=\"margin-bottom: 4px;\"\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e ISR Performance\u003c\/p\u003e\u003cp style=\"margin-bottom: 4px;\"\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e IS-UNIS-4\u003c\/p\u003e\u003cp style=\"margin-bottom: 4px;\"\u003e\u003cstrong\u003eType:\u003c\/strong\u003e Universal Exhaust Silencer\u003c\/p\u003e\u003cp style=\"margin-bottom: 4px;\"\u003e\u003cstrong\u003eTip Size:\u003c\/strong\u003e 4\"\u003c\/p\u003e\u003cp style=\"margin-bottom: 4px;\"\u003e\u003cstrong\u003eInstallation:\u003c\/strong\u003e Set screw retention (drilling required, set screw NOT included)\u003c\/p\u003e\u003cp style=\"margin-bottom: 4px;\"\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e Universal, any 4\" tip exhaust\u003c\/p\u003e\u003cp style=\"margin-bottom: 4px;\"\u003e\u003cstrong\u003eSold:\u003c\/strong\u003e Individually\u003c\/p\u003e\u003cp style=\"margin-bottom: 4px;\"\u003e\u003cstrong\u003eRelated:\u003c\/strong\u003e IS-UNIS-3 for 3\" tip exhausts\u003c\/p\u003e\u003cp style=\"margin-bottom: 4px;\"\u003e\u003cstrong\u003eLegality:\u003c\/strong\u003e Off-road and competition use only\u003c\/p\u003e","brand":"ISR Performance","offers":[{"title":"Default Title","offer_id":45957121278149,"sku":"IS-UNIS-4","price":27.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/2718\/9701\/files\/silencer_88214_zoom_91264.1399064675.1280.1280_copy__82493.1433794916.1280.1280__79046.1630073050.500.659.jpg?v=1773346529","url":"https:\/\/www.isrcompetition.com\/products\/isr-performance-universal-exhaust-silencers-4","provider":"ISR Competition","version":"1.0","type":"link"}