{"product_id":"ktm-fmf-fatty-expansion-chamber-a44005907000","title":"KTM FMF Fatty expansion chamber A44005907000","description":"The FMF Fatty expansion chamber delivers aggressive power gains and a signature aggressive tone for KTM dirt bikes. Engineered with FMF's proven expansion chamber technology, this pipe maximizes exhaust scavenging to unlock mid-range and top-end horsepower. The durable steel construction withstands high-temperature abuse, while the compact design maintains ground clearance. Direct bolt-on fit—no modifications required. Transform your KTM's performance and sound with one of the most trusted names in off-road exhaust.","brand":"FMF","offers":[{"title":"Default Title","offer_id":55064521638207,"sku":"A44005907000","price":329.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/1006\/0351\/files\/PHO_NMON_A44005907000-FMF-Fatty__SALL__AWSG__V1.jpg?v=1786033178","url":"https:\/\/dtmpowersports.store\/products\/ktm-fmf-fatty-expansion-chamber-a44005907000","provider":"DTM Powersports","version":"1.0","type":"link"}