{"product_id":"royal-enfield-old-bullet-350-electra-4s-ks-plated-exhaust-pipe-144123a","title":"Royal Enfield Bullet 350 Standard, Deluxe, Machismo, Campus \u0026 Electra 4S KS Plated Exhaust Pipe 144123\/A","description":"\u003ch1\u003eRoyal Enfield Bullet 350 Standard, Deluxe, Machismo, Campus \u0026amp; Electra 4S KS Plated Exhaust Pipe 144123\/A\u003c\/h1\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eRoyal Enfield 144123\/A Exhaust Pipe\u003c\/strong\u003e is a genuine plated front exhaust bend pipe for selected retired-model, non-UCE Royal Enfield 350 motorcycles. Royal Enfield describes it as \u003cstrong\u003eExhaust Pipe STD – Plated Noise Norms\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eThe model catalogue confirms this pipe for compatible Bullet 350 Standard, Bullet 350 Deluxe, Bullet Machismo 350, Bullet Campus 350 and Bullet Electra 4S kick-start applications. Because several visually similar old-model pipes were used across 4-speed, 5-speed, kick-start and electric-start motorcycles, the old pipe shape and exact motorcycle configuration must be checked before ordering.\u003c\/p\u003e\n\n\u003ch2\u003eWhat This Product Is\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Royal Enfield front exhaust \/ bend pipe\u003c\/li\u003e\n\u003cli\u003eFactory description: \u003cstrong\u003eExhaust Pipe STD – Plated Noise Norms\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eExact part number: \u003cstrong\u003e144123\/A\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePlated exterior finish\u003c\/li\u003e\n\u003cli\u003eDesigned for selected retired-model 350 cast-iron \/ non-UCE motorcycles\u003c\/li\u003e\n\u003cli\u003eQuantity normally required: one\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat This Product Is Not\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eNot the complete exhaust system\u003c\/li\u003e\n\u003cli\u003eNot the rear silencer or muffler\u003c\/li\u003e\n\u003cli\u003eNot the modified Electra 4S ES \/ 5S pipe 147220\/B\u003c\/li\u003e\n\u003cli\u003eNot a UCE-model exhaust pipe\u003c\/li\u003e\n\u003cli\u003eNot suitable for J-Series motorcycles\u003c\/li\u003e\n\u003cli\u003eNot supplied with every flange, nut, gasket, clamp, bracket or silencer unless physically included in the sealed pack\u003c\/li\u003e\n\u003cli\u003eNot a universal bend pipe selected only by engine capacity\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Royal Enfield OEM spare\u003c\/li\u003e\n\u003cli\u003eOriginal retired-model exhaust routing and mounting profile\u003c\/li\u003e\n\u003cli\u003ePlated finish for the classic Royal Enfield appearance\u003c\/li\u003e\n\u003cli\u003eNoise-norms specification shown in the factory description\u003c\/li\u003e\n\u003cli\u003eSuitable for restoration and replacement of a rusted, cracked or damaged original pipe\u003c\/li\u003e\n\u003cli\u003eDirect replacement where the model-specific catalogue lists 144123\/A\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eConfirmed Compatibility\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eMotorcycle\u003c\/th\u003e\n\u003cth\u003eConfiguration\u003c\/th\u003e\n\u003cth\u003eStatus\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRoyal Enfield Bullet 350 Standard\u003c\/td\u003e\n\u003ctd\u003eRetired-model cast-iron \/ non-UCE application\u003c\/td\u003e\n\u003ctd\u003eConfirmed by retired-model parts catalogue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRoyal Enfield Bullet 350 Deluxe\u003c\/td\u003e\n\u003ctd\u003eRetired-model cast-iron \/ non-UCE application\u003c\/td\u003e\n\u003ctd\u003eConfirmed by retired-model parts catalogue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRoyal Enfield Bullet Machismo 350\u003c\/td\u003e\n\u003ctd\u003eEarlier non-AVL \/ catalogue-listed application\u003c\/td\u003e\n\u003ctd\u003eConfirmed by retired-model parts catalogue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRoyal Enfield Bullet Campus 350\u003c\/td\u003e\n\u003ctd\u003eRetired-model application\u003c\/td\u003e\n\u003ctd\u003eConfirmed by retired-model parts catalogue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRoyal Enfield Bullet Electra 4S KS\u003c\/td\u003e\n\u003ctd\u003e4-speed kick-start application\u003c\/td\u003e\n\u003ctd\u003eConfirmed by retired-model parts catalogue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eCompatibility Requiring Verification\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eMotorcycle\u003c\/th\u003e\n\u003cth\u003eWhy Verification Is Required\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectra 4S ES\u003c\/td\u003e\n\u003ctd\u003eThe retired-model catalogue assigns the separate modified exhaust pipe 147220\/B to this later configuration. Do not rely only on a similar appearance.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectra 5S KS\u003c\/td\u003e\n\u003ctd\u003eThe five-speed application is shown with the separate modified pipe 147220\/B in the model catalogue.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectra 5S ES\u003c\/td\u003e\n\u003ctd\u003eThe five-speed electric-start application is shown with the separate modified pipe 147220\/B.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOther production years of Bullet 350 Standard, Deluxe, Machismo or Campus\u003c\/td\u003e\n\u003ctd\u003eOld-model exhaust routing and head-pipe details can vary by production date and previous modification.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotorcycles already fitted with a non-standard silencer or custom exhaust\u003c\/td\u003e\n\u003ctd\u003eSilencer inlet diameter, pipe length and mounting alignment must be checked.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eNot Compatible \/ Do Not Order For\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eClassic 350 UCE\u003c\/li\u003e\n\u003cli\u003eBullet 350 UCE\u003c\/li\u003e\n\u003cli\u003eElectra 350 UCE\u003c\/li\u003e\n\u003cli\u003eThunderbird 350 or 500\u003c\/li\u003e\n\u003cli\u003eClassic 350 Reborn\u003c\/li\u003e\n\u003cli\u003eBullet 350 J-Series\u003c\/li\u003e\n\u003cli\u003eMeteor 350\u003c\/li\u003e\n\u003cli\u003eHunter 350\u003c\/li\u003e\n\u003cli\u003eHimalayan or Scram models\u003c\/li\u003e\n\u003cli\u003eGuerrilla 450\u003c\/li\u003e\n\u003cli\u003eInterceptor 650, Continental GT 650 or other 650 models\u003c\/li\u003e\n\u003cli\u003eBullet 500, Lightning 500 or Machismo AVL applications unless the exact catalogue specifically lists 144123\/A\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Notes\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003cth\u003eDescription\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e144123\/A\u003c\/td\u003e\n\u003ctd\u003eExhaust Pipe STD – Plated Noise Norms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e144055\u003c\/td\u003e\n\u003ctd\u003eOlder standard plated exhaust-pipe number shown as an alternate in the retired-model catalogue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e147220\/B\u003c\/td\u003e\n\u003ctd\u003eSeparate STD-plated modified exhaust pipe used on specified later Electra configurations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eImportant Difference: 144123\/A vs 147220\/B\u003c\/h2\u003e\n\u003cp\u003eThe retired-model catalogue shows \u003cstrong\u003e144123\/A\u003c\/strong\u003e for the early 350 Standard, Deluxe, Machismo, Campus and Electra 4S kick-start arrangement. It separately shows the modified pipe \u003cstrong\u003e147220\/B\u003c\/strong\u003e for later Electra 4S electric-start and Electra 5S applications. Compare the existing pipe bends, overall length, head connection and silencer-end alignment before ordering.\u003c\/p\u003e\n\n\u003ch2\u003eWhen Should This Pipe Be Replaced?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eThe pipe is rusted through or heavily corroded\u003c\/li\u003e\n\u003cli\u003eA crack or exhaust leak is present\u003c\/li\u003e\n\u003cli\u003eThe pipe has been dented or flattened\u003c\/li\u003e\n\u003cli\u003eThe plated finish is badly damaged during restoration\u003c\/li\u003e\n\u003cli\u003eThe cylinder-head or silencer-end seating area is distorted\u003c\/li\u003e\n\u003cli\u003eThe mounting alignment has been damaged after a fall\u003c\/li\u003e\n\u003cli\u003eThe existing pipe has been cut, welded or incorrectly modified\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat You Will Receive\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e1 × Genuine Royal Enfield Plated Front Exhaust Pipe – 144123\/A\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe silencer, exhaust flange, flange nuts, gasket, mounting bracket, clamp, heat shield, fasteners and other exhaust-system components are not included unless physically present inside the sealed Royal Enfield pack.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Note\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAllow the engine and exhaust system to cool fully before removal.\u003c\/li\u003e\n\u003cli\u003eCompare the replacement pipe with the original before installation.\u003c\/li\u003e\n\u003cli\u003eInspect the cylinder-head exhaust port, flange, nuts and silencer inlet.\u003c\/li\u003e\n\u003cli\u003eReplace damaged sealing or mounting components as required.\u003c\/li\u003e\n\u003cli\u003eLoosely position the pipe and silencer before final tightening.\u003c\/li\u003e\n\u003cli\u003eDo not force the pipe into alignment, as this can stress the cylinder head or mounting brackets.\u003c\/li\u003e\n\u003cli\u003eConfirm adequate clearance from the frame, brake pedal, footrest and other components.\u003c\/li\u003e\n\u003cli\u003eTighten the exhaust fasteners evenly to the applicable specification.\u003c\/li\u003e\n\u003cli\u003eStart the engine and inspect all joints for exhaust leakage.\u003c\/li\u003e\n\u003cli\u003eRecheck fasteners after the first heat cycle.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eReturn-Prevention Note\u003c\/h2\u003e\n\u003cp\u003eThis listing is for the \u003cstrong\u003e144123\/A plated front exhaust bend pipe only\u003c\/strong\u003e. Before ordering, confirm that the motorcycle is an eligible retired-model 350, verify the gearbox and starting configuration, compare the old pipe shape and check the factory part number. In particular, do not order 144123\/A for an Electra 4S ES or Electra 5S merely because a seller calls it an “Electra bend pipe”; those versions may require the separate modified pipe 147220\/B.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003ch3\u003eIs 144123\/A a genuine Royal Enfield part?\u003c\/h3\u003e\n\u003cp\u003eYes. Genuine-parts references describe it as the Royal Enfield Exhaust Pipe STD – Plated Noise Norms.\u003c\/p\u003e\n\n\u003ch3\u003eWhich motorcycles are catalogue-confirmed?\u003c\/h3\u003e\n\u003cp\u003eThe retired-model catalogue confirms Bullet 350 Standard, Deluxe, Machismo, Campus and Electra 4S kick-start applications.\u003c\/p\u003e\n\n\u003ch3\u003eDoes it fit Electra 4S electric start?\u003c\/h3\u003e\n\u003cp\u003eDo not assume so. The catalogue shows the separate modified exhaust pipe 147220\/B for the Electra 4S electric-start configuration.\u003c\/p\u003e\n\n\u003ch3\u003eDoes it fit Electra 5S?\u003c\/h3\u003e\n\u003cp\u003eThe five-speed kick-start and electric-start configurations are shown with the separate modified pipe 147220\/B. Verify the old component before ordering.\u003c\/p\u003e\n\n\u003ch3\u003eDoes it fit Classic 350 UCE or Bullet 350 UCE?\u003c\/h3\u003e\n\u003cp\u003eNo confirmed fitment. UCE motorcycles use a different engine and exhaust arrangement.\u003c\/p\u003e\n\n\u003ch3\u003eDoes it include the silencer?\u003c\/h3\u003e\n\u003cp\u003eNo. This listing is for the front exhaust pipe only.\u003c\/p\u003e\n\n\u003ch3\u003eIs 144055 the same part?\u003c\/h3\u003e\n\u003cp\u003eThe retired-model catalogue gives 144055 as an alternate number for 144123\/A. Because old motorcycles may have been repaired or modified over time, compare the physical pipe before dispatch.\u003c\/p\u003e\n\n\u003ch3\u003eIs the finish chrome?\u003c\/h3\u003e\n\u003cp\u003eThe factory wording is “plated.” It has the bright plated appearance associated with the original old-model exhaust pipe.\u003c\/p\u003e\n\n\u003ch3\u003eCan it be used with an aftermarket silencer?\u003c\/h3\u003e\n\u003cp\u003eOnly after checking the silencer inlet diameter, pipe insertion depth, mounting position and overall alignment. Universal compatibility is not guaranteed.\u003c\/p\u003e\n\n\u003ch2\u003eBuyer Search Terms\u003c\/h2\u003e\n\u003cp\u003e144123\/A, 144123A, Royal Enfield old Bullet 350 exhaust pipe, Bullet Standard bend pipe, Bullet Deluxe chrome exhaust pipe, Machismo 350 bend pipe, Campus 350 exhaust pipe, Electra 4S KS exhaust bend pipe, Royal Enfield plated exhaust front pipe, cast iron Bullet exhaust pipe.\u003c\/p\u003e","brand":"Royal Enfield","offers":[{"title":"Default Title","offer_id":51693809041703,"sku":"144123\/A","price":0.0,"currency_code":"INR","in_stock":false}],"url":"https:\/\/underthehood.co.in\/products\/royal-enfield-old-bullet-350-electra-4s-ks-plated-exhaust-pipe-144123a","provider":"UNDER THE HOOD","version":"1.0","type":"link"}