{"product_id":"afe-large-bore-hd-dpf-back-exhaust-system-4-in-409ss-w-black-tip-2020-2026-gmc-sierra-3500hd","title":"aFe Large Bore-HD DPF-Back Exhaust System - 4 in 409SS w\/ Black Tip | 2020-2026 GMC Sierra 3500HD","description":"\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"Product\",\"name\":\"aFe Large Bore-HD DPF-Back Exhaust System - 4 in 409SS w\/ Black Tip | 2020-2026 GMC Sierra 3500HD\",\"description\":\"Fits 2020-2026 GMC Sierra 3500HD. This DPF-back system uses 4in mandrel-bent 409 stainless steel tubing with a mitered merge collector to reduce turbulence and boost exhaust velocity. The result is gains in horsepower, torque, and throttle response on the L5P Duramax.\\nIt bolts to factory hangers and mounting locations for a direct-fit install. Finished with dual 5in black 304 stainless intercooled clamp-on tips with a riveted aFe POWER logo plate.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"aFe\"},\"offers\":{\"@type\":\"Offer\",\"availability\":\"https:\/\/schema.org\/InStock\",\"seller\":{\"@type\":\"Organization\",\"name\":\"Stateside Performance\"}},\"vehicleConfiguration\":\"2020-2026 GMC Sierra 3500HD\"}\u003c\/script\u003e\n\u003cstyle\u003e\n.sp-product-body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;font-size:16px;line-height:1.6;color:#1a1a1a;max-width:800px}\n.sp-product-body h2{font-size:1.15em;font-weight:700;margin:1.4em 0 .5em;padding-bottom:.3em;border-bottom:2px solid #f0f0f0;letter-spacing:-.01em}\n.sp-product-body p{margin:.6em 0;font-size:1em;line-height:1.65}\n.sp-product-body ul{padding-left:1.3em;margin:.5em 0}\n.sp-product-body li{margin:.35em 0;font-size:.97em;line-height:1.55}\n.sp-product-body li strong{color:#111}\n.sp-fitment-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:1em 0;border-radius:6px;border:1px solid #e2e2e2}\n.sp-fitment-table{width:100%;border-collapse:collapse;font-size:.88em;min-width:420px}\n.sp-fitment-table thead tr{background:#f7f7f7}\n.sp-fitment-table th{text-align:left;padding:9px 12px;font-weight:600;font-size:.82em;text-transform:uppercase;letter-spacing:.04em;color:#555;border-bottom:2px solid #e2e2e2;white-space:nowrap}\n.sp-fitment-table td{padding:8px 12px;border-bottom:1px solid #ebebeb;vertical-align:top;color:#2a2a2a}\n.sp-fitment-table tbody tr:last-child td{border-bottom:none}\n.sp-fitment-table tbody tr:nth-child(even){background:#fafafa}\n@media(max-width:600px){.sp-product-body{font-size:15px}.sp-product-body h2{font-size:1.1em}.sp-fitment-table{font-size:.83em}.sp-fitment-table th,.sp-fitment-table td{padding:7px 9px}}\n\u003c\/style\u003e\n\u003cdiv class=\"sp-product-body\"\u003e\n\u003cp\u003eThe aFe Large Bore-HD 4in DPF-Back Exhaust fits the 2020-2026 GMC Sierra 3500HD 6.6L L5P Duramax and replaces the restrictive factory system with mandrel-bent 409 stainless tubing for stronger flow and a deeper diesel tone.\u003c\/p\u003e\n\u003cdiv style=\"border:1px solid #f0deb0;background:#fefaf0;padding:12px 16px;border-radius:8px;margin:16px 0;display:flex;align-items:flex-start;gap:12px\"\u003e\n\u003cspan style=\"font-size:24px;line-height:1;flex-shrink:0\" aria-hidden=\"true\"\u003e🔧\u003c\/span\u003e\u003cdiv style=\"flex:1\"\u003e\n\u003cstrong style=\"color:#a06400;font-size:15px\"\u003eInstall Difficulty: DIY Possible\u003c\/strong\u003e\u003cdiv style=\"color:#444;font-size:14px;line-height:1.45;margin-top:2px\"\u003eBolts to factory hangers and mounting locations with hand tools; typically installs in 60-90 minutes with a vehicle lift, longer on jack stands. Some cutting may be required per the instruction sheet.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThis DPF-back system uses 4in mandrel-bent 409 stainless steel tubing with a mitered merge collector to reduce turbulence and boost exhaust velocity. The result is gains in horsepower, torque, and throttle response on the L5P Duramax.\u003c\/p\u003e\n\u003cp\u003eIt bolts to factory hangers and mounting locations for a direct-fit install. Finished with dual 5in black 304 stainless intercooled clamp-on tips with a riveted aFe POWER logo plate.\u003c\/p\u003e\n\u003ch2\u003eFeatures \u0026amp; Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eFits: 2020-2026 GMC Sierra 3500HD 6.6L L5P Duramax\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e4in mandrel-bent 409 stainless steel tubing\u003c\/li\u003e\n\u003cli\u003eDual 5in black 304 stainless clamp-on tips\u003c\/li\u003e\n\u003cli\u003eMitered merge collector for higher exhaust velocity\u003c\/li\u003e\n\u003cli\u003e100% MIG-welded construction\u003c\/li\u003e\n\u003cli\u003eBolts to factory hangers and mounting locations\u003c\/li\u003e\n\u003cli\u003eRiveted aFe POWER logo plate on tips\u003c\/li\u003e\n\u003cli\u003eSome cutting may be required, see instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eThis part fits the following vehicles:\u003c\/p\u003e\n\u003cdiv class=\"sp-fitment-wrap\"\u003e\n\u003ctable class=\"sp-fitment-table\"\u003e\n\u003ctr\u003e\n\u003cth align=\"left\" width=\"100\"\u003eYear\u003c\/th\u003e\n\u003cth align=\"left\" width=\"125\"\u003eMake\u003c\/th\u003e\n\u003cth align=\"left\" width=\"150\"\u003eModel\u003c\/th\u003e\n\u003cth align=\"left\" width=\"80\"\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2020-2026\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSierra 3500 HD\u003c\/td\u003e\n\u003ctd\u003eAT4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2020-2021\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSierra 3500 HD\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2020-2026\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSierra 3500 HD\u003c\/td\u003e\n\u003ctd\u003eDenali\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2024-2026\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSierra 3500 HD\u003c\/td\u003e\n\u003ctd\u003eDenali Ultimate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2022-2026\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSierra 3500 HD\u003c\/td\u003e\n\u003ctd\u003ePro\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2020-2026\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSierra 3500 HD\u003c\/td\u003e\n\u003ctd\u003eSLE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2020-2026\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSierra 3500 HD\u003c\/td\u003e\n\u003ctd\u003eSLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:12px 0;padding:10px 14px;background:#fff8e6;border-left:4px solid #f59e0b;border-radius:4px;font-size:.93em;line-height:1.5;color:#5a4a1a\"\u003e\n\u003cstrong\u003e⚠ Submodel Fitment:\u003c\/strong\u003e If your submodel is not listed in the fitment table above, we cannot confirm fitment. Please contact us before purchasing to verify.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"aFe","offers":[{"title":"Default Title","offer_id":59711610749009,"sku":"AFE49-44126-B","price":808.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/9029\/7425\/files\/sq_15855785443409_69055560679505_9f9d16b1-fdf5-4064-8d89-f1c48ea062b8.jpg?v=1782454073","url":"https:\/\/www.statesideperformance.com\/products\/afe-large-bore-hd-dpf-back-exhaust-system-4-in-409ss-w-black-tip-2020-2026-gmc-sierra-3500hd","provider":"Stateside Performance","version":"1.0","type":"link"}