{"product_id":"dogfight-racing-stainless-steel-chamber-set-nsr-chs-002","title":"Dogfight Racing Stainless Steel Chamber Set – NSR-CHS-002","description":"\u003ch3 data-start=\"270\" data-end=\"287\"\u003eHonda NSR250R\u003c\/h3\u003e\n\u003cp data-start=\"289\" data-end=\"391\"\u003eHigh-performance chamber system from Dogfight Racing developed through real race competition in Japan.\u003c\/p\u003e\n\u003cp data-start=\"393\" data-end=\"572\"\u003eThe DFR chamber is used in the SP250 class of the Kanto Championship and other regional championships, with its design refined through extensive dyno development and race testing.\u003c\/p\u003e\n\u003cp data-start=\"574\" data-end=\"770\"\u003eThe chamber uses the same shape, materials, and construction techniques as those used in actual racing environments, delivering strong mid-range performance and excellent over-rev characteristics.\u003c\/p\u003e\n\u003chr data-start=\"772\" data-end=\"775\"\u003e\n\u003ch2 data-start=\"777\" data-end=\"792\"\u003eConstruction\u003c\/h2\u003e\n\u003cp data-start=\"794\" data-end=\"989\"\u003e• Stainless steel expansion chamber body\u003cbr data-start=\"834\" data-end=\"837\"\u003e• Carbon fibre silencer\u003cbr data-start=\"860\" data-end=\"863\"\u003e• 0.8 mm stainless steel construction\u003cbr data-start=\"900\" data-end=\"903\"\u003e• Hand-built chamber design\u003cbr data-start=\"930\" data-end=\"933\"\u003e• Ring-cut welded construction for strength and accuracy\u003c\/p\u003e\n\u003cp data-start=\"991\" data-end=\"1122\"\u003eThe stainless steel material provides excellent corrosion resistance while maintaining a high quality finish and long service life.\u003c\/p\u003e\n\u003chr data-start=\"1124\" data-end=\"1127\"\u003e\n\u003ch2 data-start=\"1129\" data-end=\"1147\"\u003eDesign Features\u003c\/h2\u003e\n\u003cp data-start=\"1149\" data-end=\"1411\"\u003e• Straight chamber design prioritising exhaust efficiency\u003cbr data-start=\"1206\" data-end=\"1209\"\u003e• Minimal bend angles for improved gas flow\u003cbr data-start=\"1252\" data-end=\"1255\"\u003e• Aluminium flange with heat-resistant O-ring for improved sealing\u003cbr data-start=\"1321\" data-end=\"1324\"\u003e• Stainless steel fasteners to prevent corrosion\u003cbr data-start=\"1372\" data-end=\"1375\"\u003e• Carbon silencer for reduced weight\u003c\/p\u003e\n\u003cp data-start=\"1413\" data-end=\"1514\"\u003eEach chamber is manufactured using dedicated assembly jigs to maintain precise fitment and alignment.\u003c\/p\u003e\n\u003chr data-start=\"1516\" data-end=\"1519\"\u003e\n\u003ch2 data-start=\"1521\" data-end=\"1535\"\u003ePerformance\u003c\/h2\u003e\n\u003cp data-start=\"1537\" data-end=\"1624\"\u003eDeveloped through extensive circuit testing and road testing, the DFR chamber improves:\u003c\/p\u003e\n\u003cp data-start=\"1626\" data-end=\"1703\"\u003e• Mid-range torque\u003cbr data-start=\"1644\" data-end=\"1647\"\u003e• Over-rev characteristics\u003cbr data-start=\"1673\" data-end=\"1676\"\u003e• Overall throttle response\u003c\/p\u003e\n\u003cp data-start=\"1705\" data-end=\"1771\"\u003eDesigned for use from street riding through to track applications.\u003c\/p\u003e\n\u003chr data-start=\"1773\" data-end=\"1776\"\u003e\n\u003ch2 data-start=\"1778\" data-end=\"1795\"\u003eSpecifications\u003c\/h2\u003e\n\u003cp data-start=\"1797\" data-end=\"1993\"\u003e• \u003cstrong data-start=\"1799\" data-end=\"1828\"\u003eManufacturer Part Number:\u003c\/strong\u003e NSR-CHS-002\u003cbr data-start=\"1840\" data-end=\"1843\"\u003e• \u003cstrong data-start=\"1845\" data-end=\"1862\"\u003eProduct Code:\u003c\/strong\u003e W-1644-P41944342\u003cbr data-start=\"1879\" data-end=\"1882\"\u003e• \u003cstrong data-start=\"1884\" data-end=\"1897\"\u003eMaterial:\u003c\/strong\u003e Stainless steel chamber body\u003cbr data-start=\"1926\" data-end=\"1929\"\u003e• \u003cstrong data-start=\"1931\" data-end=\"1944\"\u003eSilencer:\u003c\/strong\u003e Carbon\u003cbr data-start=\"1951\" data-end=\"1954\"\u003e• \u003cstrong data-start=\"1956\" data-end=\"1987\"\u003eApproximate exhaust volume:\u003c\/strong\u003e 92 dB\u003c\/p\u003e\n\u003chr data-start=\"1995\" data-end=\"1998\"\u003e\n\u003ch2 data-start=\"2000\" data-end=\"2010\"\u003eFitment\u003c\/h2\u003e\n\u003cp data-start=\"2012\" data-end=\"2049\"\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eHonda NSR250R\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"2051\" data-end=\"2054\"\u003e\n\u003ch2 data-start=\"2056\" data-end=\"2080\"\u003eImportant Information\u003c\/h2\u003e\n\u003cp data-start=\"2082\" data-end=\"2326\"\u003e• Images shown are for reference only\u003cbr data-start=\"2119\" data-end=\"2122\"\u003e• Product specifications may change without notice\u003cbr data-start=\"2172\" data-end=\"2175\"\u003e• Instructions (if included) may be written in Japanese\u003cbr data-start=\"2230\" data-end=\"2233\"\u003e• The right-side chamber may contact a stock under cowl — trimming or spacing may be required\u003c\/p\u003e\n\u003chr data-start=\"2328\" data-end=\"2331\"\u003e\n\u003cp data-start=\"2333\" data-end=\"2430\"\u003eDeveloped from real racing experience and engineered for strong performance across the rev range.\u003c\/p\u003e\n\u003cp data-start=\"2432\" data-end=\"2457\"\u003eBushido Motorcycles – NZ.\u003c\/p\u003e","brand":"Dogfight","offers":[{"title":"Default Title","offer_id":52416419889431,"sku":"W-1644-P41944342","price":2369.2,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0700\/9343\/9255\/files\/Untitled-2-2026-04-18T100531.172.png?v=1776463593","url":"https:\/\/bushidomotorcycles.nz\/products\/dogfight-racing-stainless-steel-chamber-set-nsr-chs-002","provider":"Bushido Motorcycles","version":"1.0","type":"link"}