{"product_id":"bmw-g30-540i-catback-exhaust-system-yonristic-performance","title":"BMW G30 540i Catback Exhaust System - Yonristic Performance","description":"\u003cp data-end=\"368\" data-start=\"325\"\u003e\u003cstrong data-end=\"366\" data-start=\"325\"\u003eUnlock the True Character of the B58.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"744\" data-start=\"370\"\u003eThe BMW G30 540i is a luxury sedan that hides a powerhouse beneath its understated exterior — the legendary B58 inline-six. However, the factory exhaust system restricts both flow and sound, leaving the car’s performance potential partially muted. The \u003cstrong data-end=\"670\" data-start=\"622\"\u003eYonristic Performance Catback Exhaust System\u003c\/strong\u003e is engineered to restore the voice and efficiency this engine deserves.\u003c\/p\u003e\n\u003cp data-end=\"1228\" data-start=\"746\"\u003eFeaturing a \u003cstrong data-end=\"788\" data-start=\"758\"\u003etrue 3-inch midpipe design\u003c\/strong\u003e paired with a \u003cstrong data-end=\"826\" data-start=\"803\"\u003ehigh-flow resonator\u003c\/strong\u003e, this system optimizes exhaust velocity while balancing tone refinement and volume. The high-flow resonator smooths unwanted harshness at mid-range RPMs, producing a \u003cstrong data-end=\"1037\" data-start=\"993\"\u003edeep, aggressive, and clean exhaust note\u003c\/strong\u003e without drone inside the cabin. Every bend is \u003cstrong data-end=\"1106\" data-start=\"1084\"\u003eCNC-mandrel-formed\u003c\/strong\u003e for consistent diameter and flow, with \u003cstrong data-end=\"1169\" data-start=\"1146\"\u003eprecision TIG welds\u003c\/strong\u003e ensuring strength, durability, and aesthetic perfection.\u003c\/p\u003e\n\u003cp data-end=\"1694\" data-start=\"1230\"\u003eCompleting the transformation is a \u003cstrong data-end=\"1290\" data-start=\"1265\"\u003equad-tip rear section\u003c\/strong\u003e, replacing the factory dual-exit layout with a sportier, M-inspired presence. Built entirely from \u003cstrong data-end=\"1417\" data-start=\"1389\"\u003eAISI 304 stainless steel\u003c\/strong\u003e, this exhaust provides long-term corrosion resistance and a weight advantage over the OEM unit. The result is an exhaust that maintains the refined nature of the 540i, while delivering the raw, spirited tone and sharper throttle response worthy of a performance-focused BMW.\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/DiXq-YZQkHE?si=zlf7WznZuX_RbUX-\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003chr data-end=\"1699\" data-start=\"1696\"\u003e\n\u003ch3 data-end=\"1724\" data-start=\"1701\"\u003e🔧 Specifications\u003c\/h3\u003e\n\u003cul data-end=\"2340\" data-start=\"1725\"\u003e\n\u003cli data-end=\"1780\" data-start=\"1725\"\u003e\n\u003cp data-end=\"1780\" data-start=\"1727\"\u003e\u003cstrong data-end=\"1739\" data-start=\"1727\"\u003eFitment:\u003c\/strong\u003e BMW G30 540i \/ 540i xDrive (All Years)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1864\" data-start=\"1781\"\u003e\n\u003cp data-end=\"1864\" data-start=\"1783\"\u003e\u003cstrong data-end=\"1801\" data-start=\"1783\"\u003eConfiguration:\u003c\/strong\u003e 3” midpipe with high-flow resonator \u0026amp; quad-exit rear section\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1946\" data-start=\"1865\"\u003e\n\u003cp data-end=\"1946\" data-start=\"1867\"\u003e\u003cstrong data-end=\"1880\" data-start=\"1867\"\u003eMaterial:\u003c\/strong\u003e AISI 304 Stainless Steel — CNC-Machined Flanges \u0026amp; Mandrel Bends\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2005\" data-start=\"1947\"\u003e\n\u003cp data-end=\"2005\" data-start=\"1949\"\u003e\u003cstrong data-end=\"1965\" data-start=\"1949\"\u003eTip Options:\u003c\/strong\u003e Chrome \/ Burnt \/ Black \/ Carbon Fiber\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2065\" data-start=\"2006\"\u003e\n\u003cp data-end=\"2065\" data-start=\"2008\"\u003e\u003cstrong data-end=\"2030\" data-start=\"2008\"\u003ePerformance Gains:\u003c\/strong\u003e +10–14 whp | +15–20 lb-ft Torque\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2145\" data-start=\"2066\"\u003e\n\u003cp data-end=\"2145\" data-start=\"2068\"\u003e\u003cstrong data-end=\"2086\" data-start=\"2068\"\u003eSound Profile:\u003c\/strong\u003e Deep, bold, and balanced — zero drone at cruising speeds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2219\" data-start=\"2146\"\u003e\n\u003cp data-end=\"2219\" data-start=\"2148\"\u003e\u003cstrong data-end=\"2166\" data-start=\"2148\"\u003eValve Control:\u003c\/strong\u003e OEM-style vacuum valve integration (plug-and-play)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2280\" data-start=\"2220\"\u003e\n\u003cp data-end=\"2280\" data-start=\"2222\"\u003e\u003cstrong data-end=\"2243\" data-start=\"2222\"\u003eWeight Reduction:\u003c\/strong\u003e Up to 20% lighter than OEM exhaust\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2340\" data-start=\"2281\"\u003e\n\u003cp data-end=\"2340\" data-start=\"2283\"\u003e\u003cstrong data-end=\"2300\" data-start=\"2283\"\u003eInstallation:\u003c\/strong\u003e 100% Bolt-On — No Cutting, No Welding\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"2345\" data-start=\"2342\"\u003e\n\u003ch3 data-end=\"2374\" data-start=\"2347\"\u003e🛠 Installation Notes\u003c\/h3\u003e\n\u003cul data-end=\"2634\" data-start=\"2375\"\u003e\n\u003cli data-end=\"2425\" data-start=\"2375\"\u003e\n\u003cp data-end=\"2425\" data-start=\"2377\"\u003eDirect bolt-on replacement for factory exhaust\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2487\" data-start=\"2426\"\u003e\n\u003cp data-end=\"2487\" data-start=\"2428\"\u003eCompatible with OEM downpipe and most aftermarket options\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2592\" data-start=\"2488\"\u003e\n\u003cp data-end=\"2592\" data-start=\"2490\"\u003eQuad-tip design. No need for aftermarket diffusers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2634\" data-start=\"2593\"\u003e\n\u003cp data-end=\"2634\" data-start=\"2595\"\u003eProfessional installation recommended\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yonristic Performance","offers":[{"title":"T304 Stainless Steel \/ (4) Chrome","offer_id":46034886492394,"sku":"YR-8715-BMW-T30","price":2499.0,"currency_code":"USD","in_stock":true},{"title":"T304 Stainless Steel \/ (4) Burnt","offer_id":46034886525162,"sku":"YR-6122-BMW-T30","price":2499.0,"currency_code":"USD","in_stock":true},{"title":"T304 Stainless Steel \/ (4) Carbon Fiber","offer_id":46034886557930,"sku":"YR-3725-BMW-T30","price":2499.0,"currency_code":"USD","in_stock":true},{"title":"T304 Stainless Steel \/ (4) Carbon Fiber (Forged)","offer_id":46034886590698,"sku":"YR-6330-BMW-T30","price":2499.0,"currency_code":"USD","in_stock":true},{"title":"Grade 5 Titanium \/ (4) Chrome","offer_id":46034886623466,"sku":"YR-8944-BMW-GRA","price":3299.0,"currency_code":"USD","in_stock":true},{"title":"Grade 5 Titanium \/ (4) Burnt","offer_id":46034886656234,"sku":"YR-7559-BMW-GRA","price":3299.0,"currency_code":"USD","in_stock":true},{"title":"Grade 5 Titanium \/ (4) Carbon Fiber","offer_id":46034886689002,"sku":"YR-6184-BMW-GRA","price":3299.0,"currency_code":"USD","in_stock":true},{"title":"Grade 5 Titanium \/ (4) Carbon Fiber (Forged)","offer_id":46034886721770,"sku":"YR-1185-BMW-GRA","price":3299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0477\/0427\/7142\/files\/G30540.jpg?v=1778282324","url":"https:\/\/www.k2-industries.com\/en-xk\/products\/bmw-g30-540i-catback-exhaust-system-yonristic-performance","provider":"K2 Industries","version":"1.0","type":"link"}