{"title":"DPF Back","description":"\u003cp\u003eEnhance exhaust flow, reduce backpressure, and add a deep, aggressive tone with our DPF Back exhaust systems. Designed to work with factory DPF (Diesel Particulate Filter) systems, these bolt-on upgrades retain emissions compliance while unlocking better performance. Constructed from corrosion-resistant stainless steel, our DPF Back exhausts improve fuel efficiency, lower EGTs, and deliver reliable performance for daily driving, towing, and mild performance builds—no cutting or modifications required.\u003c\/p\u003e","products":[{"product_id":"4-single-side-exit-dpf-back-exhaust-for-2011-2016-6-7l-powerstroke-ford-f250-f350-f450","title":"4'' Single Side Exit DPF Back Exhaust for 2011-2016 6.7L Powerstroke Ford F250 F350 F450","description":"\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2011-2016 Ford F-250 \/ F-350 \/ F-450 Super Duty 6.7L Powerstroke\u003c\/li\u003e\n\u003cli\u003eDoes NOT fit Cab \u0026amp; Chassis configurations\u003c\/li\u003e\n\u003cli\u003eNote: For maximum performance, pair with a DPF\/CAT delete pipe (off-road use only).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eWant deep, aggressive exhaust tone for your 2011–2016 6.7L Powerstroke while keeping your factory DPF? Upgrade to the SPETUNER DPF-back exhaust system. Built specifically for owners who want to retain their OEM diesel particulate filter and improve the sound, flow, and appearance of their truck, this bolt-on upgrade delivers a bold, performance-focused exhaust note without emissions deletion.\u003c\/p\u003e\n\u003cp\u003eChoose between economical 409 stainless steel or premium 304 stainless steel for maximum long-term durability. Complete with a black-coated exhaust tip for a sharp, custom look and an enlarged 4-inch diameter for improved flow and sound, this system gives you the powerful rumble you want—100% DPF-friendly.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved Exhaust Flow\u003c\/strong\u003e – Reduces backpressure to support better throttle response, torque, and efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Stainless Steel\u003c\/strong\u003e – Available in T409 (great value) or T304 (superior rust resistance, ideal for salt \/ coastal areas).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple Bolt-On Installation\u003c\/strong\u003e – Uses factory-style hangers for a precise, secure fit with basic hand tools.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAggressive Yet Controlled Sound\u003c\/strong\u003e – Delivers a deep, muscular tone without annoying cabin drone.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM+ Perfect Fit\u003c\/strong\u003e – Engineered to match factory mounting points and retain your stock DPF.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% DPF Compatible\u003c\/strong\u003e – Designed to work with your factory emissions system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack Coated Exhaust Tip\u003c\/strong\u003e – Adds a rugged, custom look to the rear of your truck.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMaterial Comparison (T304 vs T409 Stainless Steel)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion Resistance\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eT304: 18% chromium + 8% nickel → Superior corrosion protection\u003c\/li\u003e\n\u003cli\u003eT409: 11% chromium + trace titanium → Good corrosion resistance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Temperature Resistance\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eT304: Withstands heat up to 870°C\u003c\/li\u003e\n\u003cli\u003eT409: Withstands heat up to 800°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOxidation \u0026amp; Salt Resistance\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eT304: Excellent performance in high-heat, high-salt, and coastal environments\u003c\/li\u003e\n\u003cli\u003eT409: Good performance for regular daily driving\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eService Life\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eT304: Long service life of 10–15+ years\u003c\/li\u003e\n\u003cli\u003eT409: Reliable lifespan of 7–12 years\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePackage Include\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e4\" Extension Pipe × 1\u003c\/li\u003e\n\u003cli\u003eOver-Axle Pipe × 1\u003c\/li\u003e\n\u003cli\u003eTail Pipe × 1\u003c\/li\u003e\n\u003cli\u003eExhaust Hanger × 1\u003c\/li\u003e\n\u003cli\u003eBlack Exhaust Tip × 1\u003c\/li\u003e\n\u003cli\u003e4\" Wide Band Clamps × 2\u003c\/li\u003e\n\u003cli\u003eGasket × 1\u003c\/li\u003e\n\u003cli\u003e7\/16\" Hex Bolts × 3\u003c\/li\u003e\n\u003cli\u003e7\/16\" Hex Nuts × 3\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0661\/3342\/6313\/files\/EXS22-00073SR-000-L-DPF_Back_ford_6.7L_2011-2016_1.pdf?v=1773824441\" title=\"4'' DPF Back Exhaust for 2011-2016 6.7L Powerstroke Installation\"\u003e4'' DPF Back Exhaust for 2011-2016 6.7L Powerstroke\u003c\/a\u003e\u003c\/p\u003e\n\u003ch5\u003eFAQ\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this DPF-back exhaust remove or delete the factory DPF?\u003c\/strong\u003e\u003cbr\u003eA: No. This is a true DPF-back system, meaning it only replaces the exhaust components after the DPF. It does not modify or remove emissions equipment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will this improve performance or MPG?\u003c\/strong\u003e\u003cbr\u003eA: While gains are moderate with the factory DPF still installed, the 4-inch smooth-flow design reduces backpressure, which can improve throttle response, low-end torque, and overall exhaust efficiency.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is welding required? Do I need professional installation?\u003c\/strong\u003e\u003cbr\u003eA: No welding is needed. This is a bolt-on system, though minor cutting of the factory exhaust may be required. It is DIY-friendly with common tools, but professional installation ensures the cleanest fit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will this make my truck significantly louder?\u003c\/strong\u003e\u003cbr\u003eA: You will notice a deeper, more aggressive tone than stock, but the DPF and catalytic converters keep volume controlled and street-friendly. No excessive noise or drone.\u003c\/p\u003e","brand":"SPETUNER","offers":[{"title":"2011-2016 \/ 4‘’ DPF Back \/ T409","offer_id":45331288555657,"sku":"#11934","price":279.99,"currency_code":"USD","in_stock":true},{"title":"2011-2016 \/ 4‘’ DPF Back \/ T304","offer_id":45331288588425,"sku":"#11935","price":349.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/3342\/6313\/files\/304.webp?v=1772273250"},{"product_id":"5-single-side-exit-dpf-back-exhaust-for-2013-2025-dodge-ram-2500-3500-6-7l-cummins","title":"5'' Single Side Exit DPF Back Exhaust for 2013-2025 Dodge Ram 2500 3500 6.7L Cummins","description":"\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2013-2018 Dodge Ram 2500 3500 6.7L Diesel (\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eNOT\u003c\/span\u003e compatible with Crew Cab Short Bed models)\u003c\/li\u003e\n\u003cli\u003e2019+ Dodge Ram 2500 3500 6.7L Diesel (All cab \u0026amp; bed configurations)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eWant a deep, aggressive exhaust tone for your 2013-2025 6.7L Cummins while keeping your factory DPF? Upgrade to the SPETUNER DPF-back exhaust system. Designed exclusively for truck owners who want to keep their OEM emissions equipment while upgrading sound, flow, and exterior styling, this bolt-on kit delivers a bold performance exhaust note without DPF deletion.\u003c\/p\u003e\n\u003cp\u003eChoose between economical 409 stainless steel or premium 304 stainless steel for long-lasting durability. Finished with a black-coated exhaust tip for a sharp custom look and a large 4-inch diameter for improved flow and sound, this system gives you the powerful, throaty rumble you want—100% DPF-friendly and street-safe.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved Exhaust Flow\u003c\/strong\u003e – Reduces backpressure for better throttle response, low-end torque, and overall efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Stainless Steel\u003c\/strong\u003e – Offered in T409 (great value) or T304 (best corrosion resistance, perfect for salt \u0026amp; coastal areas).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple Bolt-On Installation\u003c\/strong\u003e – Uses factory-style hangers for a precise, secure fit with basic hand tools.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAggressive Yet Controlled Sound\u003c\/strong\u003e – Delivers a deep, muscular tone without harsh interior drone.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM+ Precision Fit\u003c\/strong\u003e – Engineered to match factory mounting points while retaining your stock DPF.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% DPF Compatible\u003c\/strong\u003e – Works seamlessly with your factory emissions system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack Coated Exhaust Tip\u003c\/strong\u003e – Adds a rugged, custom appearance to the rear of your truck.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMaterial Comparison (T304 vs T409 Stainless Steel)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion Resistance\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eT304: 18% chromium + 8% nickel → Superior corrosion protection\u003c\/li\u003e\n\u003cli\u003eT409: 11% chromium + trace titanium → Good corrosion resistance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Temperature Resistance\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eT304: Withstands heat up to 870°C\u003c\/li\u003e\n\u003cli\u003eT409: Withstands heat up to 800°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOxidation \u0026amp; Salt Resistance\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eT304: Excellent performance in high-heat, high-salt, and coastal environments\u003c\/li\u003e\n\u003cli\u003eT409: Good performance for daily driving\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eService Life\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eT304: 10–15+ years\u003c\/li\u003e\n\u003cli\u003eT409: 7–12 years\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e4\" Extension Pipe × 1\u003c\/li\u003e\n\u003cli\u003eTail Pipe × 1\u003c\/li\u003e\n\u003cli\u003e4\" Clamp × 1\u003c\/li\u003e\n\u003cli\u003e5\" Clamp × 1\u003c\/li\u003e\n\u003cli\u003eExhaust Tip × 1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0661\/3342\/6313\/files\/EXS22-00074SR-000-L-DPF_Back_ram_6.7L_2013-2024_1.pdf?v=1773824441\" title=\"5'' DPF Back Exhaust for 2013-2025 Dodge Ram 2500 3500 6.7L Cummins Installation\"\u003e5'' DPF Back Exhaust for 2013-2025 Dodge Ram 2500 3500 6.7L Cummins Installation\u003c\/a\u003e\u003c\/p\u003e\n\u003ch5\u003eFAQ\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this DPF-back exhaust delete the factory DPF?\u003c\/strong\u003e\u003cbr\u003eA: No. This is a true DPF-back system that only replaces exhaust components AFTER the DPF. It does not modify or remove any emissions equipment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will this improve performance or MPG?\u003c\/strong\u003e\u003cbr\u003eA: With the factory DPF installed, performance gains are moderate. However, the 4-inch smooth-flow design reduces backpressure, improving throttle response, low-end torque, and exhaust efficiency.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is welding required? Do I need professional installation?\u003c\/strong\u003e\u003cbr\u003eA: No welding is needed. This is a bolt-on system; minor cutting of the stock exhaust may be required. It is DIY-friendly with basic tools, but professional installation ensures the cleanest fit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will this make my truck significantly louder?\u003c\/strong\u003e\u003cbr\u003eA: You will enjoy a deeper, more aggressive tone than stock, but the DPF and catalytic converters keep volume street-friendly and controlled with no excessive drone.\u003c\/p\u003e","brand":"SPETUNER","offers":[{"title":"5‘’ DPF Back \/ T409","offer_id":45336447189129,"sku":"#11936","price":269.99,"currency_code":"USD","in_stock":true},{"title":"5‘’ DPF Back \/ T304","offer_id":45336447221897,"sku":"#11937","price":299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/3342\/6313\/files\/304_71d85381-b9b7-4388-9dd0-20c66e8ec137.webp?v=1772417314"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/3342\/6313\/collections\/304_5204fffc-f4bf-4e41-bea3-3ec3bcf5ac44.webp?v=1772675894","url":"https:\/\/spetuner.com\/collections\/dpf-back.oembed","provider":"SPEtuner","version":"1.0","type":"link"}