{"product_id":"cat-back-exhaust-for-dodge-ram-1500-2500-3500-1998-2001-3-9l-5-2l-5-9l","title":"Cat Back Exhaust for Dodge Ram 1500 2500 3500 (1998-2001) 3.9L 5.2L 5.9L","description":"\u003ch2\u003eHigh-Flow Cat Back Exhaust for 1998-2001 Dodge Ram 1500, 2500, 3500\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The Cat Back Exhaust replaces the restrictive factory exhaust assembly on 1998-2001 Dodge Ram 1500, 2500, and 3500 trucks to reduce parasitic backpressure, accelerate exhaust scavenging, and enhance low-end pulling power.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Dodge Ram Exhaust Flow Restriction\u003c\/h3\u003e\n\u003cp\u003eFactory exhaust systems on second-generation \u003cstrong\u003eBR\/BE\u003c\/strong\u003e chassis Dodge trucks rely on narrow, press-bent steel tubing and heavy, multi-chambered reverse-flow mufflers. Over time, road salts and thermal expansion cycles corrode the OEM aluminized casing, while the non-uniform crush bends create high-pressure turbulence zones directly behind the catalytic converter. This restriction limits thermal evacuation, increases cylinder head temperatures under load, and chokes exhaust velocity on the \u003cstrong\u003eMagnum\u003c\/strong\u003e engine platform.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eEngineered as a direct bolt-on upgrade, this cat-back system utilizes continuous mandrel-bent steel piping to maintain a consistent cross-sectional diameter throughout every radius. By eliminating internal choke points, the system optimizes laminar exhaust gas flow and reduces manifold backpressure. Featuring heavy-duty pre-welded bracketry that anchors directly into OEM rubber isolation points, an efficient straight-through internal muffler core, and precision flanges, this kit ensures structural integrity under heavy tongue-weight towing and high-vibration commercial duty cycles.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 14px; margin-bottom: 20px;\"\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eFitment\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e1998-2001 Dodge Ram 1500, Ram 2500, Ram 3500\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eEngine \/ Chassis\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e3.9L, 5.2L, 5.9L Magnum \/ BR\/BE\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eStock Output\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e175-245 hp \/ 225-335 lb-ft\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eReplaces OEM Part #\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003eN\/A (MPN: SPT-CAT1170)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1998-2001 Dodge Ram 1500 (3.9L V6, 5.2L V8, 5.9L V8)\u003c\/li\u003e\n  \u003cli\u003e1998-2001 Dodge Ram 2500 (5.9L V8 Gas)\u003c\/li\u003e\n  \u003cli\u003e1998-2001 Dodge Ram 3500 (5.9L V8 Gas)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this fit the BR\/BE Ram 1500, Ram 2500, Ram 3500?\u003c\/strong\u003e\u003cbr\u003e Yes, this is a direct fit for 1998-2001 Dodge Ram trucks equipped with the 3.9L, 5.2L, or 5.9L \u003cstrong\u003eMagnum\u003c\/strong\u003e engine platform.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this cat-back installation trigger a check engine light (CEL)?\u003c\/strong\u003e\u003cbr\u003e No, because the assembly connects downstream of the catalytic converter and post-cat oxygen sensors, factory emissions monitoring parameters remain unaffected.\u003c\/p\u003e\n\n\u003ch3\u003eThe Dodge Truck Heavy-Duty Standard\u003c\/h3\u003e\n\u003cp\u003eSecond-gen Rams are built for rigorous payload and towing duties; this exhaust system provides the low-restriction airflow and heat-cycling resilience required to support heavy work without structural fatigue.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50607881027832,"sku":"DS-EXJ8AY288","price":228.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/cat-back-exhaust-for-dodge-ram-1500-2500-3500-1998-2001-3-9l-5-2l-5-9l-1.jpg?v=1790091590","url":"https:\/\/performancechiptuning.com\/products\/cat-back-exhaust-for-dodge-ram-1500-2500-3500-1998-2001-3-9l-5-2l-5-9l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}