{"product_id":"5-inch-400cpsi-uhox-catalytic-converter-downpipe","title":"5-Inch 400cpsi UHOX Catalytic Converter Downpipe","description":"The Unitronic Performance Downpipe is engineered as a direct bolt-on upgrade for the MK8 Golf R® and 8Y S3® models equipped with the 2.0TSI EA888 EVO4 engine. Its primary function is to remove factory downpipe restrictions, thereby reducing turbo lag and improving the overall exhaust sound.\n\nThis downpipe incorporates a high-output GESi 5” 400cpsi UHOX catalytic converter, developed in partnership with Unitronic. Constructed with TIG-welded stainless steel and featuring an OEM-style corrugated mesh flex bellow, it also includes CFD-optimized upper downpipe castings for superior flow efficiency into the large converter. The package includes necessary hardware like V-band clamps, centering rings, a stainless steel midpipe section, and an exhaust reducer, making it compatible with factory or upgraded cat-back exhaust systems.\n\nInstallation is designed to be straightforward, with precise fitment achieved through 3D modeling technology, allowing for installation in a few hours by individuals with moderate mechanical skills. The difficulty level is rated as 4 out of 5.\n\nTo achieve maximum performance gains, Unitronic Stage 2 ECU Software is required. When paired with this software and other supporting modifications, the downpipe can contribute to significant power increases, yielding up to 470HP \/ 431LB-FT.","brand":"Unitronic","offers":[{"title":"Default Title","offer_id":52689522786616,"sku":"UH072-EXA","price":2199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/687751311.jpg?v=1784907295","url":"https:\/\/store.motormia.co\/products\/5-inch-400cpsi-uhox-catalytic-converter-downpipe","provider":"MOTORMIA","version":"1.0","type":"link"}