{"product_id":"rvng-designed-4-true-single-valved-exhaust-system-f80-m3-f82-m4","title":"Rvng Designed 4” True Single Valved Exhaust System (F80 M3\/F82 M4)","description":"\u003cp\u003ePremium 4\" True Single Valved Exhaust System for F80 M3 \u0026amp; F82 M4 Experience the ultimate in performance and sound with RVNG's first-ever 4\" full true single midpipe quad-tip valved exhaust for the F8X S55 platform. This groundbreaking system replaces restrictive factory dual-pipe designs with a completely reimagined solution that delivers smoother, uninterrupted flow from downpipes to rear muffler. Key Features \u0026amp; Benefits: - 4\" true single midpipe eliminates backpressure for improved turbo efficiency at higher RPMs - Deeper, refined exhaust tone with less rasp compared to smaller diameter systems - OEM-style electronic valve control — switch between quiet and aggressive sound modes - Stunning quad-tip configuration for aggressive styling - Fluid 4\" diameter throughout with extended brace (no pipe squish) - 30-minute bolt-on installation — replaces OEM muffler and midpipe - Fully optimized high-flow design for maximum S55 performance Engineered from initial sketches through detailed 3D modeling and prototype testing, this exhaust system sets a new benchmark for the F8X platform. No compromises — just pure performance, refined sound, and head-turning style. Perfect for F80 M3 and F82 M4 owners demanding the best in exhaust performance and aesthetics.\u003ca href=\"https:\/\/www.houseofapex.us\/\" title=\"House of Apex Website\"\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Rvng RaceWorks","offers":[{"title":"SS304 Stainless \/ Silver","offer_id":53281750810988,"sku":"sku-45444264296626","price":2499.99,"currency_code":"USD","in_stock":false},{"title":"SS304 Stainless \/ Cerakote Ceramic Black","offer_id":53281750843756,"sku":"sku-45444264460466","price":2599.99,"currency_code":"USD","in_stock":true},{"title":"SS304 Stainless \/ Gloss Black","offer_id":53281750876524,"sku":"sku-45444264493234","price":2499.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4448\/0876\/files\/IMG-6536.jpg?v=1773203357","url":"https:\/\/houseofapex.us\/products\/rvng-designed-4-true-single-valved-exhaust-system-f80-m3-f82-m4","provider":"House of Apex","version":"1.0","type":"link"}