{"product_id":"idi-304ss-pro-series-6-drop-back-downpipe-kit-with-4-diameter","title":"IDI 304SS Pro Series 6\" Drop Back Downpipe Kit in 4\" Diameter","description":"\u003cp data-pm-slice=\"1 1 []\"\u003e\u003cstrong\u003e\u003cspan\u003eIDI Pro Series 304 Stainless Steel Exhaust Downpipes\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePrecision formed. Built for the long haul.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eInduction Diesel Industries brings a new level of craftsmanship to heavy-duty truck exhaust. Our Pro Series downpipes combine premium \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e304 stainless steel\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, precision \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eCNC mandrel bending\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, and an \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eintegrally formed 5-inch Marman flange\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e in a continuous, one-piece design.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe pipe body and Marman flange are formed from the same piece of tubing, eliminating welded joints between pipe sections and the need for a separately welded flange. This construction creates a smooth, continuous exhaust passage with fewer fabricated joints in an area exposed to heat, vibration, and demanding operating conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePrecision CNC mandrel bending helps preserve the tubing’s shape through each bend, producing consistent geometry and smooth transitions throughout the pipe. The result is a carefully formed component built around the routing requirements of heavy-duty truck exhaust systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOur choice of 304 stainless steel delivers greater corrosion resistance than conventional 409 stainless construction—an advantage for trucks working through moisture, road spray, and changing seasons.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePremium 304 stainless steel:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Selected for corrosion resistance and lasting durability.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eOne-piece pipe body:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Continuous tubing through the bends, without welded section joints.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eIntegrally formed 5-inch Marman flange:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e The flange is part of the tube itself, eliminating the flange-to-pipe weld.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCNC mandrel-bent construction:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Precision-controlled bends for consistent shape and repeatable geometry.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBuilt for heavy-duty trucking:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Designed with the demands of owner-operators, fleets, and commercial truck builders in mind.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eFrom the material to the final formed flange, IDI Pro Series downpipes reflect our commitment to quality manufacturing and attention to detail.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eContact Induction Diesel Industries to select the right downpipe configuration for your truck.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Induction Diesel Industries - IDI","offers":[{"title":"SS304 Stainless","offer_id":50515231834262,"sku":null,"price":249.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/7529\/9478\/files\/9D3BCE4A-C3A7-4236-9F82-2C848EB7204E.png?v=1791319420","url":"https:\/\/www.inductiondiesel.com\/products\/idi-304ss-pro-series-6-drop-back-downpipe-kit-with-4-diameter","provider":"Induction Diesel Industries - IDI ","version":"1.0","type":"link"}