{"product_id":"5-aluminized-downpipe-back-exhaust-single-3-bolt-v-band-2011-2016-6-6l-gm-duramax-lml","title":"2011–2016 LML 5\" Aluminized Downpipe-Back Exhaust Single — 3-Bolt \/ V-Band","description":"\u003cp\u003eDirect-fit American-sourced aluminized steel downpipe-to-back single-exit exhaust with 5\" pipe diameter for 2015.5–2016 GM Duramax LML 6.6L (2500\/3500). Mandrel-bent in Canada, 16‑gauge tubing with contour-bent hangers for OE clearance. 3‑bolt flange to V‑band options, improved flow and deeper tone while retaining bolt-on installation.\u003c\/p\u003e\n\u003cp\u003eKit will come standard with 3 bolt flange. If your down pipe requires a v band style clamp, slight modification to this exhaust will need to be made. Simply cut off the 3 bolt flange this kit comes with and reuse your factory v band clamp.\u003c\/p\u003e\n\u003cp\u003eKey Features\u003cbr\u003e- Fitment: 2015.5–2016 Chevrolet\/GMC 2500 \u0026amp; 3500 with 6.6L Duramax LML  \u003cbr\u003e- Pipe Diameter: 5.00\" (full 5-inch tubing from downpipe through mid\/back section)  \u003cbr\u003e- Material: American-sourced aluminized steel, mandrel-bent in USA! 16-gauge tubing  \u003cbr\u003e- Hangers: Contour-bent hangers for OE clearance  \u003cbr\u003e- Clamps: Perfect Fit Lap Joint Exhaust Band clamps for a secure, leak-resistant direct-fit install  \u003cbr\u003e- Connection: 3‑bolt flange at turbo\/downpipe and V‑band options where applicable  \u003cbr\u003e- Design: Downpipe-to-back single-exit, direct bolt-on, may require minor hanger alignment  \u003cbr\u003e- Performance: Maintains exhaust velocity, reduces drone, significantly lowers backpressure vs OEM (louder, more aggressive tone)  \u003cbr\u003e- Material guidance: Aluminized offers excellent value and everyday durability; stainless delivers maximum corrosion resistance for harsh climates. Sound and flow remain comparable between equivalent designs.  \u003cbr\u003e- Emissions: Check local regulations — may affect emissions\/DPF systems\u003c\/p\u003e\n\u003cp\u003eSpecifications\u003cbr\u003e- Configuration: Downpipe + mid\/back section, single exit  \u003cbr\u003e- Nominal OD: 5.00\" (aluminized tubing)  \u003cbr\u003e- Flange Types: 3‑bolt flange and\/or V‑band (specify at order)  \u003cbr\u003e- Exit: Single rear\/side exit (left\/right option)  \u003cbr\u003e- Finish: Aluminized silver  \u003cbr\u003e- Tubing Gauge: 16‑gauge\u003c\/p\u003e\n\u003cp\u003eFitment Notes \u0026amp; Warnings\u003cbr\u003e- Larger 5\" diameter may not mate directly with some factory components (adapters may be required at turbo or tailpipe).  \u003cbr\u003e- May affect DPF\/aftertreatment sensors and backpressure-dependent systems — consult tuner\/installer.  \u003cbr\u003e- Professional installation recommended; may require custom hangers or clamp adapters.\u003c\/p\u003e","brand":"JAT Supply Co","offers":[{"title":"Default Title","offer_id":45405825990847,"sku":null,"price":795.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0506\/8433\/0175\/files\/Screenshot2026-03-24204319.png?v=1774403473","url":"https:\/\/jatsupplyco.com\/products\/5-aluminized-downpipe-back-exhaust-single-3-bolt-v-band-2011-2016-6-6l-gm-duramax-lml","provider":"JAT Supply Co","version":"1.0","type":"link"}