{"product_id":"dieselr-2001-2007-duramax-turbo-back-exhaust-system-lb7-lly-lbz-2500-3500","title":"DieselR 2001-2007 Duramax Turbo-Back Exhaust System LB7\/LLY\/LBZ 2500\/3500","description":"\u003cp data-end=\"1215\" data-start=\"842\"\u003eThe\u003cspan\u003e \u003c\/span\u003eDieselR exhaust system\u003cstrong data-end=\"924\" data-start=\"846\"\u003e \u003c\/strong\u003eis built for\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"982\" data-start=\"938\"\u003eChevy Silverado and GMC Sierra 2500\/3500\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eowners who demand a clean fit, stronger flow, and long-lasting reliability. Crafted from\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"1110\" data-start=\"1072\"\u003e4-inch and \u003c\/strong\u003e\u003cspan style=\"box-sizing: border-box; margin: 0px; padding: 0px;\"\u003e\u003cstrong\u003e5-inch heavy-duty aluminized and T409 steel\u003c\/strong\u003e, this system improves exhaust performance, reduces EGTs, and delivers\u003c\/span\u003e a deep, refined tone under load.\u003c\/p\u003e\n\u003cp data-end=\"1569\" data-start=\"1217\"\u003eEach Dieselr exhaust is\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"1257\" data-start=\"1241\"\u003emandrel-bent\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor smooth, unrestricted flow and\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"1312\" data-start=\"1292\"\u003eprecision-welded\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor durability. The aluminized finish resists rust, corrosion, and heat fatigue—perfect for work trucks and daily-driven Duramax platforms. It mounts directly to OEM hangers for a secure, factory-style fit that installs easily without cutting or welding.\u003c\/p\u003e\n\u003cp data-end=\"1753\" data-start=\"1571\"\u003eDieselr systems are tested on real 6.6L Duramax trucks for verified fitment and field performance. This is exhaust engineering done right—built strong, built simple, built to last.\u003c\/p\u003e\n\u003cp data-end=\"1773\" data-start=\"1755\"\u003e\u003cstrong data-end=\"1771\" data-start=\"1755\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-end=\"1878\" data-start=\"1836\"\u003eMandrel bends for smooth, efficient flow\u003c\/li\u003e\n\u003cli data-end=\"1926\" data-start=\"1881\"\u003eOEM hanger alignment for clean installation\u003c\/li\u003e\n\u003cli data-end=\"1992\" data-start=\"1929\"\u003eCorrosion-resistant finish for durability in harsh conditions\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Masonbilt Performance","offers":[{"title":"4\" Straight Pipe- T409 Stainless","offer_id":67753496183063,"sku":null,"price":564.99,"currency_code":"USD","in_stock":true},{"title":"5\" Straight Pipe- T409 Stainless","offer_id":67753496215831,"sku":null,"price":579.99,"currency_code":"USD","in_stock":true},{"title":"4\" Straight Pipe- Aluminized Steel","offer_id":67753496248599,"sku":null,"price":549.99,"currency_code":"USD","in_stock":true},{"title":"4\" with Muffler- Aluminized Steel","offer_id":67753496281367,"sku":null,"price":605.99,"currency_code":"USD","in_stock":true},{"title":"5\" Straight Pipe- Aluminized Steel","offer_id":67753496314135,"sku":null,"price":709.99,"currency_code":"USD","in_stock":true},{"title":"5\" with Muffler- Aluminized Steel","offer_id":67753496346903,"sku":null,"price":813.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/7135\/0807\/files\/256-211134-Dieselr_Aluminized_4-inch_Downpipe_Back_Exhaust_Single-2500-3500_6.6L_GM_DURAMAX_LB7_2001-2004.5-without-muffler_f88e898f-171a-4e6d-8421-0fc1c3ec2479.webp?v=1791874762","url":"https:\/\/masonbiltperformance.com\/products\/dieselr-2001-2007-duramax-turbo-back-exhaust-system-lb7-lly-lbz-2500-3500","provider":"Masonbilt Performance","version":"1.0","type":"link"}