.product-accordion { font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; max-width: 100%; border-top: 1px solid #e5e5e5; margin-top: 20px; text-align: left; } .accordion-item { border-bottom: 1px solid #e5e5e5; } .accordion-header { background: #fff; color: #000; cursor: pointer; padding: 18px 0; width: 100%; border: none; text-align: left; font-size: 13px; font-weight: bold; letter-spacing: 1.5px; text-transform: uppercase; display: flex; justify-content: space-between; align-items: center; outline: none; } .accordion-header:after { content: '+'; font-size: 18px; color: #000; } .accordion-item.active .accordion-header:after { content: '-'; } .accordion-content { max-height: 0; overflow: hidden; transition: max-height 0.3s ease-out; } .accordion-content-inner { padding: 0 0 25px 0; font-size: 14px; line-height: 1.6; color: #333; text-align: left; } .accordion-content-inner ul { margin: 10px 0; padding-left: 20px; } Description Valved Catback Exhaust System F22 240i – B58 Experience the perfect balance between performance and refinement with the Valved Catback Exhaust System for the F22 240i B58. Designed for enthusiasts who demand control, this system delivers a deep, aggressive exhaust note when the valves are open, while maintaining a smooth, comfortable tone for daily driving when closed. The valved setup allows you to switch sound profiles on demand, enhancing driving engagement without sacrificing usability. Optimized exhaust routing improves flow and throttle response, unlocking a more responsive and engaging feel from the B58 engine. Constructed from high-grade stainless steel and finished with precision TIG welds, this catback exhaust offers durability, premium aesthetics, and long-term reliability. A true performance upgrade that transforms both sound and presence. Key Features Valved catback exhaust system Aggressive sound with valves open, refined tone when closed Improved exhaust flow and throttle response High-grade stainless steel construction Precision TIG welding for strength and clean finish Performance-focused design with OEM-level quality Kavoni Design Quality At Kavoni Design, we select exhaust systems that deliver character, control, and craftsmanship. This valved catback exhaust for the F22 240i B58 meets our standards for performance, sound quality, and premium build — engineered for drivers who want the best of both worlds. Shipping & Returns This product is made to order. Please allow 12-14 business days for production. Orders are shipped worldwide after production is completed. Worldwide shipping: 6–8 business days Returns are accepted within 14 days of delivery for unused items in original condition. Return shipping costs are the responsibility of the customer. Fitment Not sure if it will fit your vehicle? Contact our sales team and we will be happy to help you locate the correct part for your vehicle. Warranty Every product from Kavoni Design comes with a 12-month warranty. This warranty covers manufacturing defects under normal use. Damage caused by improper installation, road debris, or accidents is not covered. Disclaimer Please note that these are aftermarket parts and are not original manufacturer equipment. While we strive for perfect fitment, professional installation is highly recommended. Kavoni Design is not responsible for any damages incurred during installation. function toggleAccordion(element) { const item = element.parentElement; const content = element.nextElementSibling; const allItems = document.querySelectorAll('.accordion-item'); allItems.forEach(i => { if (i !== item) { i.classList.remove('active'); i.querySelector('.accordion-content').style.maxHeight = null; } }); item.classList.toggle('active'); if (item.classList.contains('active')) { content.style.maxHeight = content.scrollHeight + "px"; } else { content.style.maxHeight = null; } }
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