{"product_id":"royal-enfield-exhaust-pipe-assembly-hr-black-rlx00513-b","title":"Exhaust Pipe Assembly (Down Pipe\/Bend Pipe) – Classic 350 Reborn \u0026 Bullet 350 J-Series – RLX00513\/B (HR Black)","description":"\u003ch2\u003eExhaust Pipe Assembly (Down Pipe\/Bend Pipe) – RLX00513\/B (HR Black)\u003c\/h2\u003e\n\u003cp\u003eRoyal Enfield \u003cstrong\u003eRLX00513\/B\u003c\/strong\u003e is the \u003cstrong\u003eexhaust pipe assembly\u003c\/strong\u003e (commonly called the \u003cem\u003edown pipe \/ bend pipe \/ header pipe\u003c\/em\u003e) finished in \u003cstrong\u003eHR Black (heat-resistant black)\u003c\/strong\u003e. It connects the cylinder-head outlet to the rest of the exhaust system, restoring correct alignment and leak-free sealing when your original pipe is rusted, dented, cracked at the flange, or bent after a fall.\u003c\/p\u003e\n\u003cp\u003eBecause exhaust routing and brackets vary across platforms, ordering the correct OEM pipe matters for proper fitment, heat-shield alignment, and avoiding exhaust leaks (popping, soot marks near the port, or reduced pickup). Also searched as: \u003cem\u003eexhaust bend pipe\u003c\/em\u003e, \u003cem\u003eheader pipe\u003c\/em\u003e, \u003cem\u003efront exhaust pipe\u003c\/em\u003e, \u003cem\u003edownpipe\u003c\/em\u003e, \u003cem\u003eOEM exhaust pipe\u003c\/em\u003e, \u003cem\u003eblack exhaust pipe\u003c\/em\u003e. \u003cstrong\u003eBefore you buy:\u003c\/strong\u003e confirm your exact model\/variant and match the pipe shape + mounting points with a photo of your existing part.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Royal Enfield part: \u003cstrong\u003eRLX00513\/B\u003c\/strong\u003e (factory-correct routing and bends).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHR Black\u003c\/strong\u003e finish for heat resistance and OEM look on black-themed variants.\u003c\/li\u003e\n\u003cli\u003eRestores proper exhaust sealing and reduces leak-related noise\/soot at the exhaust port.\u003c\/li\u003e\n\u003cli\u003eCorrect mounting geometry helps avoid stress on studs and brackets.\u003c\/li\u003e\n\u003cli\u003eIdeal replacement for rusted, scraped, or dented down pipes after impact.\u003c\/li\u003e\n\u003cli\u003eDesigned to work with the stock exhaust layout for the confirmed variants listed below.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility \u003c\/h3\u003e\n\u003ctable style=\"width: 100%;\" cellspacing=\"0\" cellpadding=\"6\" border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 23.1183%;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"width: 22.7599%;\"\u003ePlatform\/Engine\u003c\/th\u003e\n\u003cth style=\"width: 17.5627%;\"\u003eBS\/Emission\u003c\/th\u003e\n\u003cth style=\"width: 9.85663%;\"\u003eYears\u003c\/th\u003e\n\u003cth style=\"width: 10.0358%;\"\u003eStatus\u003c\/th\u003e\n\u003cth style=\"width: 16.4875%;\"\u003eNotes \/ Constraints\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 23.1183%;\"\u003eClassic 350 Reborn – Dark Gunmetal Grey \/ Dark Stealth Black \/ Signals Desert Sand \/ Signals Marsh Grey\u003c\/td\u003e\n\u003ctd style=\"width: 22.7599%;\"\u003eJ-Series 349cc\u003c\/td\u003e\n\u003ctd style=\"width: 17.5627%;\"\u003eBS6\u003c\/td\u003e\n\u003ctd style=\"width: 9.85663%;\"\u003e2021+\u003c\/td\u003e\n\u003ctd style=\"width: 10.0358%;\"\u003e✅\u003c\/td\u003e\n\u003ctd style=\"width: 16.4875%;\"\u003eCheck Part Number \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 23.1183%;\"\u003eBullet 350 – Black Gold models\u003c\/td\u003e\n\u003ctd style=\"width: 22.7599%;\"\u003eJ-Series 349cc\u003c\/td\u003e\n\u003ctd style=\"width: 17.5627%;\"\u003eBS6\u003c\/td\u003e\n\u003ctd style=\"width: 9.85663%;\"\u003e2023+\u003c\/td\u003e\n\u003ctd style=\"width: 10.0358%;\"\u003e✅\u003c\/td\u003e\n\u003ctd style=\"width: 16.4875%;\"\u003eCheck Part Number \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 23.1183%;\"\u003eMeteor 350\u003c\/td\u003e\n\u003ctd style=\"width: 22.7599%;\"\u003eJ-Series 349cc\u003c\/td\u003e\n\u003ctd style=\"width: 17.5627%;\"\u003eBS6\u003c\/td\u003e\n\u003ctd style=\"width: 9.85663%;\"\u003e2021+\u003c\/td\u003e\n\u003ctd style=\"width: 10.0358%;\"\u003e✅\u003c\/td\u003e\n\u003ctd style=\"width: 16.4875%;\"\u003eCheck Part Number \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eExclusions:\u003c\/strong\u003e Not for Classic 350 UCE (older), Classic 500\/350 UCE, Thunderbird UCE, Electra\/Standard UCE, or 650 Twins. Always verify by platform.\u003c\/p\u003e\n\u003ch3\u003eVariants\u003c\/h3\u003e\n\u003cp\u003eNo variants (this listing is for \u003cstrong\u003eRLX00513\/B\u003c\/strong\u003e only). If you want the chrome-finish pipe, it is typically a different part number.\u003c\/p\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ1 (Fitment): How do I confirm RLX00513\/B fits my bike?\u003c\/strong\u003e\u003cbr\u003eMatch three things: (1) your bike model\/variant is in the ✅ list, (2) your platform is \u003cstrong\u003eJ-Series 349cc\u003c\/strong\u003e (not UCE), and (3) the pipe shape + bracket\/mount points match your existing pipe. Send a clear photo of the old pipe installed (side view) + the header flange area before dispatch for zero-wrong-order shipping.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2 (Fitment): Will this fit other Classic 350 Reborn variants (not listed above)?\u003c\/strong\u003e\u003cbr\u003eYes it fits Reborn Meteor \u0026amp; New Bullet J Series \u003cspan style=\"color: rgb(254, 1, 1);\"\u003ePART NUMBER CHECK IS RECOMMENDED BEFORE ORDERING \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3 (Comparison): RLX00513\/B vs chrome exhaust pipe?\u003c\/strong\u003e\u003cbr\u003eRLX00513\/B is the \u003cstrong\u003eHR Black\u003c\/strong\u003e exhaust pipe assembly. Chrome-finish pipes typically use a different part number and may be supplied on different variants. Choose based on your factory finish and matching mounts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4 (Installation): Any precautions while installing an exhaust pipe?\u003c\/strong\u003e\u003cbr\u003eWork on a cold engine. Use correct torque on exhaust studs\/nuts, replace crushed gaskets if required, and align all brackets loosely before final tightening to prevent stress. Avoid scratching the HR coating during fitment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ5 (Symptoms): What problems does this solve?\u003c\/strong\u003e\u003cbr\u003eExhaust leak near the port (popping\/soot), bent pipe after impact, rattling due to misalignment, rust-through, scraping damage, and poor heat-shield alignment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ6 (Returns-prevention): What should I share before you ship?\u003c\/strong\u003e\u003cbr\u003eShare: (1) bike model + year\/variant, (2) photo of the current pipe installed (side view), and (3) close photo of header flange area + any mounting bracket points. This prevents wrong-platform (UCE vs J-Series) and wrong-variant orders.\u003c\/p\u003e\n\u003ch3\u003eInternal links\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRoyal Enfield Classic 350 Reborn Exhaust \u0026amp; Emission Parts\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/underthehood.co.in\/products\/rlx01026-d-guard-silencer-ced-black-j1-a-b-silencer-plate-for-reborn-350?_pos=3\u0026amp;_sid=d4c8bfddb\u0026amp;_ss=r\"\u003eExhaust Plate Black \u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/underthehood.co.in\/products\/royal-enfield-rlx00512b-exhaust-pipe-assembly-chrome?_pos=2\u0026amp;_sid=147533a8f\u0026amp;_ss=r\"\u003eExhaust Pipe Chrome \u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003eRoyal Enfield Bullet 350 (J-Series) Exhaust Parts\u003c\/li\u003e\n\u003cli\u003eRoyal Enfield Exhaust Gaskets, Clamps \u0026amp; Hardware\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Royal Enfield","offers":[{"title":"Default Title","offer_id":51054854209831,"sku":"RLX00513B","price":2616.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0878\/7447\/0183\/files\/8BBAA900-182B-4B50-AFB5-E1A78DA5E0B3.jpg?v=1772437195","url":"https:\/\/underthehood.co.in\/products\/royal-enfield-exhaust-pipe-assembly-hr-black-rlx00513-b","provider":"UNDER THE HOOD","version":"1.0","type":"link"}