{"product_id":"yoshimura-hepta-force-tss-racing-titanium-cyclone-zx-25r-zx-4r","title":"Yoshimura HEPTA FORCE TSS Racing Titanium Cyclone – ZX-25R \/ ZX-4R","description":"\u003cp data-end=\"458\" data-start=\"234\"\u003eRace-bred. Precision-tuned.\u003cbr data-end=\"264\" data-start=\"261\"\u003eThe \u003cstrong data-end=\"312\" data-start=\"268\"\u003eYoshimura HEPTA FORCE TSS Racing Cyclone\u003c\/strong\u003e is a full titanium system designed to extract maximum performance—delivering sharp acceleration, reduced weight, and a sound that defines intent.\u003c\/p\u003e\n\u003chr data-end=\"463\" data-start=\"460\"\u003e\n\u003ch3 data-end=\"489\" data-start=\"465\" data-section-id=\"miz626\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"489\" data-start=\"469\"\u003eProduct Overview\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-end=\"737\" data-start=\"490\"\u003eEngineered for closed-circuit performance, this system features a \u003cstrong data-end=\"580\" data-start=\"556\"\u003e4-2-1 exhaust layout\u003c\/strong\u003e, optimising high-RPM power while maintaining strong mid-range usability. The result is a responsive, controllable powerband suited for serious track riding.\u003c\/p\u003e\n\u003cp data-end=\"889\" data-start=\"739\"\u003eThe signature \u003cstrong data-end=\"785\" data-start=\"753\"\u003e7-sided HEPTA FORCE silencer\u003c\/strong\u003e, finished with a carbon fibre end cap, delivers both performance and a distinctive Yoshimura aesthetic.\u003c\/p\u003e\n\u003chr data-end=\"894\" data-start=\"891\"\u003e\n\u003ch3 data-end=\"918\" data-start=\"896\" data-section-id=\"2l0mzs\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"918\" data-start=\"900\"\u003eSpecifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-end=\"1031\" data-start=\"919\"\u003e\n\u003cli data-end=\"946\" data-start=\"919\" data-section-id=\"153rusd\"\u003eMaterial: Full Titanium\u003c\/li\u003e\n\u003cli data-end=\"984\" data-start=\"947\" data-section-id=\"ozma33\"\u003eLayout: 4-2-1 Full Exhaust System\u003c\/li\u003e\n\u003cli data-end=\"1031\" data-start=\"985\" data-section-id=\"16cd3at\"\u003eSilencer: HEPTA FORCE TSS (carbon end cap)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"1036\" data-start=\"1033\"\u003e\n\u003ch3 data-end=\"1074\" data-start=\"1038\" data-section-id=\"wjnsmc\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"1074\" data-start=\"1042\"\u003ePerformance Data (Reference)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-end=\"1101\" data-start=\"1075\"\u003e\u003cstrong data-end=\"1101\" data-start=\"1075\"\u003eWithout Sound Diffuser\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"1216\" data-start=\"1102\"\u003e\n\u003cli data-end=\"1137\" data-start=\"1102\" data-section-id=\"14xflph\"\u003eZX-4R (2023): 112 dB \/ 8000 rpm\u003c\/li\u003e\n\u003cli data-end=\"1174\" data-start=\"1138\" data-section-id=\"1j4frth\"\u003eZX-25R (2023): 111 dB \/ 8000 rpm\u003c\/li\u003e\n\u003cli data-end=\"1216\" data-start=\"1175\" data-section-id=\"1u725mq\"\u003eZX-25R (2021–2022): 109 dB \/ 7750 rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1241\" data-start=\"1218\"\u003e\u003cstrong data-end=\"1241\" data-start=\"1218\"\u003eWith Sound Diffuser\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"1272\" data-start=\"1242\"\u003e\n\u003cli data-end=\"1272\" data-start=\"1242\" data-section-id=\"vtr6pi\"\u003eAll models: Approx. 104 dB\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1304\" data-start=\"1274\"\u003e\u003cstrong data-end=\"1304\" data-start=\"1274\"\u003eTrack Regulation Reference\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"1367\" data-start=\"1305\"\u003e\n\u003cli data-end=\"1367\" data-start=\"1305\" data-section-id=\"3vi5pm\"\u003eSuzuka \/ Motegi: ~105 dB limit compatibility with diffuser\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"1372\" data-start=\"1369\"\u003e\n\u003ch3 data-end=\"1388\" data-start=\"1374\" data-section-id=\"1mm12p2\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"1388\" data-start=\"1378\"\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-end=\"1513\" data-start=\"1389\"\u003e\n\u003cli data-end=\"1448\" data-start=\"1389\" data-section-id=\"1y8tlyp\"\u003eStandard:\n\u003cul data-end=\"1448\" data-start=\"1405\"\u003e\n\u003cli data-end=\"1423\" data-start=\"1405\" data-section-id=\"1am6m09\"\u003eZX-4R: 10.1 kg\u003c\/li\u003e\n\u003cli data-end=\"1448\" data-start=\"1426\" data-section-id=\"100bzip\"\u003eZX-25R: 8.6–9.1 kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1513\" data-start=\"1449\" data-section-id=\"1jxg039\"\u003eYoshimura System: ~3.9 kg\u003cbr data-end=\"1479\" data-start=\"1476\"\u003e\u003cem data-end=\"1511\" data-start=\"1479\"\u003e(Approx. 60% weight reduction)\u003c\/em\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"1518\" data-start=\"1515\"\u003e\n\u003ch3 data-end=\"1535\" data-start=\"1520\" data-section-id=\"1x2dw9b\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"1535\" data-start=\"1524\"\u003eFitment\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-end=\"1632\" data-start=\"1536\"\u003e\n\u003cli data-end=\"1573\" data-start=\"1536\" data-section-id=\"19chf56\"\u003eKawasaki Ninja ZX-25R (2021–2025)\u003c\/li\u003e\n\u003cli data-end=\"1632\" data-start=\"1574\" data-section-id=\"sqn6jx\"\u003eKawasaki Ninja ZX-4R \/ ZX-4R SE \/ ZX-4R RR (2023–2025)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"1637\" data-start=\"1634\"\u003e\n\u003ch3 data-end=\"1659\" data-start=\"1639\" data-section-id=\"pm8yra\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"1659\" data-start=\"1643\"\u003eKey Features\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-end=\"1976\" data-start=\"1660\"\u003e\n\u003cli data-end=\"1717\" data-start=\"1660\" data-section-id=\"12z33s8\"\u003eFull titanium construction for major weight reduction\u003c\/li\u003e\n\u003cli data-end=\"1783\" data-start=\"1718\" data-section-id=\"1o17oc7\"\u003e4-2-1 layout for high-RPM performance and mid-range usability\u003c\/li\u003e\n\u003cli data-end=\"1834\" data-start=\"1784\" data-section-id=\"1gxlndm\"\u003eRemovable sound diffuser for adjustable volume\u003c\/li\u003e\n\u003cli data-end=\"1879\" data-start=\"1835\" data-section-id=\"162evda\"\u003eCompact, tapered 7-sided silencer design\u003c\/li\u003e\n\u003cli data-end=\"1937\" data-start=\"1880\" data-section-id=\"l0o4m8\"\u003eMaintains oil and filter access with system installed\u003c\/li\u003e\n\u003cli data-end=\"1976\" data-start=\"1938\" data-section-id=\"g97srv\"\u003eCompatible with stock centre stand\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"1981\" data-start=\"1978\"\u003e\n\u003ch3 data-end=\"2011\" data-start=\"1983\" data-section-id=\"1w8sfi2\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"2011\" data-start=\"1987\"\u003ePerformance Benefits\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-end=\"2211\" data-start=\"2012\"\u003e\n\u003cli data-end=\"2057\" data-start=\"2012\" data-section-id=\"1bgn0kd\"\u003eFaster throttle response and acceleration\u003c\/li\u003e\n\u003cli data-end=\"2110\" data-start=\"2058\" data-section-id=\"b5bspk\"\u003eSignificant weight savings for improved handling\u003c\/li\u003e\n\u003cli data-end=\"2162\" data-start=\"2111\" data-section-id=\"67jnsf\"\u003eTrack-tuned exhaust note with adjustable volume\u003c\/li\u003e\n\u003cli data-end=\"2211\" data-start=\"2163\" data-section-id=\"16b7r81\"\u003eBalanced power delivery across the rev range\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"2216\" data-start=\"2213\"\u003e\n\u003ch3 data-end=\"2243\" data-start=\"2218\" data-section-id=\"10or2c2\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"2243\" data-start=\"2222\"\u003eService \u0026amp; Support\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-end=\"2339\" data-start=\"2244\"\u003e\n\u003cli data-end=\"2275\" data-start=\"2244\" data-section-id=\"1rc95cp\"\u003eReplaceable silencer covers\u003c\/li\u003e\n\u003cli data-end=\"2301\" data-start=\"2276\" data-section-id=\"1n14isd\"\u003eRepackable glass wool\u003c\/li\u003e\n\u003cli data-end=\"2339\" data-start=\"2302\" data-section-id=\"1ftb31b\"\u003eServiceable carbon end components\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"2344\" data-start=\"2341\"\u003e\n\u003ch3 data-end=\"2369\" data-start=\"2346\" data-section-id=\"1ws83tv\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"2369\" data-start=\"2350\"\u003eImportant Notes\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-end=\"2612\" data-start=\"2370\"\u003e\n\u003cli data-end=\"2410\" data-start=\"2370\" data-section-id=\"cnhqdu\"\u003e\u003cstrong data-end=\"2408\" data-start=\"2372\"\u003eRacing use only – not road legal\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-end=\"2461\" data-start=\"2411\" data-section-id=\"q0jhwv\"\u003eRegular inspection and maintenance recommended\u003c\/li\u003e\n\u003cli data-end=\"2506\" data-start=\"2462\" data-section-id=\"1df3uoz\"\u003eSpecifications may change without notice\u003c\/li\u003e\n\u003cli data-end=\"2562\" data-start=\"2507\" data-section-id=\"p51hsn\"\u003eImages may include other products or configurations\u003c\/li\u003e\n\u003cli data-end=\"2612\" data-start=\"2563\" data-section-id=\"jipbd2\"\u003eInstructions, if included, may be in Japanese\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"2617\" data-start=\"2614\"\u003e\n\u003ch3 data-end=\"2646\" data-start=\"2619\" data-section-id=\"1wzfq3k\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"2646\" data-start=\"2623\"\u003eBushido Motorcycles\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"2702\" data-start=\"2647\"\u003eOn the edge of control,\u003cbr data-end=\"2673\" data-start=\"2670\"\u003eprecision decides everything.\u003c\/p\u003e","brand":"Yoshimura","offers":[{"title":"Titanium Blue Cover","offer_id":52722677350679,"sku":"150-247-A26G0","price":3271.9,"currency_code":"NZD","in_stock":true},{"title":"Titanium Cover","offer_id":52722677383447,"sku":"150-247-A28G0","price":3165.85,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0700\/9343\/9255\/files\/Untitled-2-2026-04-11T201103.832.png?v=1775895086","url":"https:\/\/bushidomotorcycles.nz\/products\/yoshimura-hepta-force-tss-racing-titanium-cyclone-zx-25r-zx-4r","provider":"Bushido Motorcycles","version":"1.0","type":"link"}