{"product_id":"rennline-carbon-fiber-velocity-stacks-50mm-tall-m91","title":"Rennline Carbon Fiber Velocity Stacks (50mm Tall) – Fits Porsche 911","description":"\u003cp\u003e2\" (50mm) tall lightweight carbon fiber velocity stacks help increase top end performance over a 2.25\" trumpet. Increases engine performance at high RPMs by allowing for higher pressure pulse frequencies, leading to better airflow and torque in the upper rev range. Mounting holes: standard 65mm apart. Sold individually\u003c\/p\u003e","brand":"Rennline","offers":[{"title":"Default Title","offer_id":54063037317395,"sku":"M91","price":105.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/1487\/4131\/files\/M91-WEB-1__70884.1760638940.1280.1280_5212f05d-a2b7-4beb-9e56-580cad6f30c0.jpg?v=1779363483","url":"https:\/\/enzuca.com\/products\/rennline-carbon-fiber-velocity-stacks-50mm-tall-m91","provider":"Enzuca’s corner","version":"1.0","type":"link"}