{"product_id":"bmw-g30-540i-exhaust-system-yonristic-performance","title":"BMW G30 540i Exhaust System - Yonristic Performance","description":"\u003cp\u003eBMW G30 540i Exhaust System - Yonristic Performance Unlock the True Character of the B58. The 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 sound and performance potential partially muted.\u003c\/p\u003e\u003cp\u003eThe Yonristic Performance Catback Exhaust System is engineered to restore the voice and efficiency this engine deserves. Featuring a true 3-inch midpipe design paired with a high-flow resonator, this system optimizes exhaust velocity while balancing tone refinement and volume. The high-flow resonator smooths unwanted harshness at mid-range RPMs, producing a deep, aggressive, and clean exhaust note without drone inside the cabin.\u003c\/p\u003e\u003cp\u003eEvery bend is CNC-mandrel-formed for consistent diameter and flow, with precision TIG welds ensuring strength, durability, and aesthetic perfection. Completing the transformation is a quad-tip rear section, replacing the factory dual-exit layout with a sportier, M-inspired presence. Built entirely from AISI 304 stainless steel, this exhaust provides long-term corrosion resistance and a weight advantage over the OEM unit.\u003c\/p\u003e\u003cp\u003eThe 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\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eBMW G30 540i \/ 540i xDrive (All Years) Configuration: 3” midpipe with high-flow resonator \u0026amp; quad-exit rear section Material: AISI 304 Stainless Steel — CNC-Machined Flanges \u0026amp; Mandrel Bends Tip Options: Chrome \/ Burnt \/ Black \/ Carbon Fiber Performance Gains: +10–14 whp | +15–20 lb-ft Torque\u003c\/p\u003e\u003ch3\u003eSound Profile\u003c\/h3\u003e\u003cp\u003eDeep, bold, and balanced — zero drone at cruising speeds Valve Control: OEM-style vacuum valve integration (plug-and-play) Weight Reduction: Up to 20% lighter than OEM exhaust\u003c\/p\u003e\u003ch3\u003eInstallation\u003c\/h3\u003e\u003cp\u003e100% Bolt-On — No Cutting, No Welding\u003c\/p\u003e\u003ch3\u003eInstallation Notes\u003c\/h3\u003e\u003cp\u003eDirect bolt-on replacement for factory exhaust Compatible with OEM downpipe and most aftermarket options Quad-tip design. No need for aftermarket diffusers Professional installation recommended\u003c\/p\u003e","brand":"Yonristic Performance","offers":[{"title":"T304 Stainless Steel \/ (4) Chrome","offer_id":58726703464829,"sku":null,"price":2695.0,"currency_code":"GBP","in_stock":true},{"title":"T304 Stainless Steel \/ (4) Burnt","offer_id":58726703497597,"sku":null,"price":2695.0,"currency_code":"GBP","in_stock":true},{"title":"T304 Stainless Steel \/ (4) Carbon Fiber","offer_id":58726703530365,"sku":null,"price":2695.0,"currency_code":"GBP","in_stock":true},{"title":"T304 Stainless Steel \/ (4) Carbon Fiber (Forged)","offer_id":58726703563133,"sku":null,"price":2695.0,"currency_code":"GBP","in_stock":true},{"title":"Grade 5 Titanium \/ (4) Chrome","offer_id":58726703595901,"sku":null,"price":3595.0,"currency_code":"GBP","in_stock":true},{"title":"Grade 5 Titanium \/ (4) Burnt","offer_id":58726703628669,"sku":null,"price":3595.0,"currency_code":"GBP","in_stock":true},{"title":"Grade 5 Titanium \/ (4) Carbon Fiber","offer_id":58726703661437,"sku":null,"price":3595.0,"currency_code":"GBP","in_stock":true},{"title":"Grade 5 Titanium \/ (4) Carbon Fiber (Forged)","offer_id":58726703694205,"sku":null,"price":3595.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0405\/5649\/5001\/files\/G30540.jpg?v=1789993656","url":"https:\/\/www.bafmotorsport.co.uk\/products\/bmw-g30-540i-exhaust-system-yonristic-performance","provider":"BAF Motorsport","version":"1.0","type":"link"}