{"title":"Downpipe Exhaust","description":null,"products":[{"product_id":"3-downpipe-exhaust-for-2004-5-2010-6-6l-duramax-lly-lbz-lmm","title":"3'' Downpipe Exhaust for 2004.5-2010 6.6L Duramax LLY LBZ LMM","description":"\u003cp\u003eUpgrade your 2004.5–2010 6.6L Duramax (LLY\/LBZ\/LMM) with this 3\" downpipe exhaust, engineered to replace the restrictive factory unit and improve exhaust flow. Crafted from 201 stainless steel with a polished surface finish, it delivers durable corrosion resistance and a clean under-hood appearance. The 3-inch mandrel-bent design reduces backpressure, supports quicker turbo spool, and helps unlock more usable power and torque across the RPM range.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3\" Diameter:\u003c\/strong\u003e Larger-than-stock tubing for improved exhaust flow and reduced backpressure\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e201 Stainless Steel: \u003c\/strong\u003eStrong, corrosion-resistant construction built for daily driving and performance use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolished Surface: \u003c\/strong\u003eSmooth mirror-like finish for a premium look under the hood\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMandrel-Bent Tubing: \u003c\/strong\u003eSmooth bends maintain consistent flow diameter throughout\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance Gains: \u003c\/strong\u003eSupports faster turbo response and increased horsepower \u0026amp; torque output\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardware Included: \u003c\/strong\u003eComes with necessary gaskets and mounting hardware for a complete install\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Glowolf","offers":[{"title":"Silver","offer_id":55981484966210,"sku":"GWES08045","price":119.99,"currency_code":"USD","in_stock":true},{"title":"Black","offer_id":55981484998978,"sku":"GWES08392","price":109.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/0118\/7138\/files\/1_b2541b1f-e48f-4b55-9297-341d81fe0cbb.webp?v=1787566142"},{"product_id":"3-downpipe-exhaust-for-2011-2016-6-6l-duramax-lml","title":"3'' Downpipe Exhaust for 2011-2016 6.6L Duramax LML","description":"\u003cp\u003eReplace the restrictive factory downpipe on your 2011–2016 6.6L Duramax LML with this 3\" performance downpipe, built to improve exhaust flow and support faster turbo response. Manufactured from 201 stainless steel with a polished surface finish, it offers solid corrosion resistance and a clean under-hood look. The 3-inch mandrel-bent tubing reduces backpressure, helping your LML breathe easier and unlock more usable power and torque.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImportant Fitment Note: \u003c\/strong\u003eThe LML downpipe design changed mid-generation. Please choose the right year.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3\" Diameter: \u003c\/strong\u003eLarger-than-stock tubing for improved exhaust flow and reduced backpressure\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e201 Stainless Steel: \u003c\/strong\u003eDurable, corrosion-resistant construction for daily driving and performance use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolished Surface: \u003c\/strong\u003eSmooth mirror-like finish for a premium under-hood appearance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMandrel-Bent Tubing:\u003c\/strong\u003e Smooth, consistent bends maintain flow diameter throughout\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance Gains:\u003c\/strong\u003e Supports quicker turbo spool and increased horsepower \u0026amp; torque output\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Glowolf","offers":[{"title":"2011-2015","offer_id":55981659816258,"sku":"GWES08046","price":119.99,"currency_code":"USD","in_stock":true},{"title":"2015.5-2016","offer_id":55981659849026,"sku":"GWES08391","price":159.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/0118\/7138\/files\/1_c2d68acd-1b4a-44db-a2eb-71a2e0aa5511.webp?v=1787568137"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/0118\/7138\/collections\/2_637078c2-436e-41c8-a58c-99120456250d.webp?v=1787567745","url":"https:\/\/glowolfdiesel.com\/collections\/downpipe-exhaust.oembed","provider":"Glowolf","version":"1.0","type":"link"}