{"product_id":"audi-s4-s4-b9-high-performance-exhaust-system-2018","title":"Audi S4 \/ S5 (B9) 2018+ High Titanium Performance Valved Exhaust System","description":"\u003cp data-start=\"6499\" data-end=\"7013\"\u003eThis titanium valved exhaust system is engineered to amplify the performance feel of the B9 S4\/S5 while maintaining full daily-drivability. Lightweight titanium construction improves flow and reduces system weight, contributing to sharper throttle response. With the valves closed, the tone remains controlled and suitable for refined driving; opening them delivers a louder, more aggressive sound with enhanced clarity. APEX offers this system as a precision-fit upgrade compatible with factory valve electronics.\u003c\/p\u003e","brand":"Apex Auto","offers":[{"title":"Purple","offer_id":47536829792510,"sku":null,"price":3499.0,"currency_code":"USD","in_stock":true},{"title":"Blue","offer_id":47536829825278,"sku":null,"price":3499.0,"currency_code":"USD","in_stock":true},{"title":"Gold","offer_id":47536829858046,"sku":null,"price":3499.0,"currency_code":"USD","in_stock":true},{"title":"Purple Gold","offer_id":47536829890814,"sku":null,"price":3499.0,"currency_code":"USD","in_stock":true},{"title":"Titanium Raw","offer_id":47536829923582,"sku":null,"price":3499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0657\/8844\/4926\/files\/S4B9S5B9Euro5Euro62017-20193_1.jpg?v=1761870421","url":"https:\/\/www.apexinc.co\/products\/audi-s4-s4-b9-high-performance-exhaust-system-2018","provider":"Apex Auto","version":"1.0","type":"link"}