{"product_id":"ktm-fmf-gnarly-expansion-chamber-a44005907002","title":"KTM FMF Gnarly expansion chamber A44005907002","description":"The FMF Gnarly expansion chamber delivers aggressive performance for KTM riders seeking maximum power and distinctive sound. Engineered with FMF's proven tuning technology, this expansion chamber optimizes exhaust scavenging across the RPM range for improved throttle response and mid-range torque. The mandrel-bent construction ensures consistent flow and durability, while the compact design maintains ground clearance. Built to withstand high-temperature exhaust gases and frequent riding demands. Direct bolt-on fit for compatible KTM models—no modifications required. Pair with a compatible muffler to complete your exhaust system upgrade.","brand":"FMF","offers":[{"title":"Default Title","offer_id":55064521081151,"sku":"A44005907002","price":329.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/1006\/0351\/files\/PHO_NMON_A44005907002-FMF-GNARLY-EXPANSION-CHAMBER__SALL__AWSG__V1.jpg?v=1786033970","url":"https:\/\/dtmpowersports.store\/products\/ktm-fmf-gnarly-expansion-chamber-a44005907002","provider":"DTM Powersports","version":"1.0","type":"link"}