BOLD MAGENTA part numbers are new for 2025 PARTS-UNLIMITED.COM 2025 | OFFROAD EXHAUST EXHAUST 16 DISCLAIMER: *EMIS (EMISSIONS CATEGORIZATION CODE). SEE PAGES 4-6 FOR CATEGORY CODES, IMPORTANT EPA/CARB EMISSION DEFINITIONS AND REGULATORY COMPLIANCE AND NOTICE REGARDING NOISE REGULATIONS. PRODUCTS NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES IF NOT CATEGORIZED AS “1” OR “4”. FITS MODEL DESCRIPTION PART # EMIS* BETA 350/390 RR 20-23 Stainless steel header 1822-0513 3 430/480 RR 20-24 Stainless steel header 1822-0514 3 450 RX 24-25 Titanium header 1822-0551 3 GASGAS EX/MC 250F 21-22 Stainless steel header 1822-0480 3 Titanium header 1822-0481 3 EC 350F 21-22 Stainless steel head pipe/mid-pipe 1822-0508 3 EX 350F 21-22 Stainless steel header 1822-0482 3 Titanium header 1822-0483 3 EX 450F 21-23 Stainless steel header 1822-0484 3 Titanium header 1822-0485 3 HONDA CRF150R 07-21 Stainless steel header 1822-0290 3 CRF250R 22-24 Stainless steel header 1822-0527 3 Titanium header 1822-0528 3 CRF450X 19-22 Stainless steel header 1822-0490 3 HUSQVARNA FC 250 16-18 Stainless steel SX head pipe/mid-pipe 1822-0448 3 Stainless head pipe/mid-pipe 1822-0432 3 FC 250 19-22 Stainless steel header 1822-0480 3 Titanium header 1822-0481 3 FC 350 16-18, FX 350 17-18 Stainless steel SX head pipe/mid-pipe 1822-0448 3 FC/FX 350 19-22 Stainless steel header 1822-0482 3 Titanium header 1822-0483 3 FE 350 17-19 Stainless steel head pipe/mid-pipe 1822-0494 3 FE 350 20-22 Stainless steel head pipe/mid-pipe 1822-0508 3 FE 450/501 17-19 Stainless steel header 1822-0515 3 FE 450 20-21 Stainless steel header 1822-0509 3 FC 450 18-22 Stainless steel header 1822-0484 3 Titanium header 1822-0485 3 FE 450 16-17 Titanium head pipe/mid-pipe 1822-0431 3 FE 501 20-22 Stainless head pipe/mid-pipe 1822-0512 3 KAWASAKI KX250F 17-20 Stainless steel header 1822-0458 3 KX250F 21-24 Stainless steel header 1822-0521 3 Titanium header 1822-0522 3 KX450F 16-17 Stainless steel header 1822-0445 3 KX450F 19-23 Titanium SX head pipe/mid-pipe 1822-0491 3 Stainless steel header 1822-0524 3 FITS MODEL DESCRIPTION PART # EMIS* KAWASAKI (CONT) KX450F 24 Stainless steel header 1822-0549 3 Titanium header 1822-0550 3 KX450X 21 Titanium SX head pipe/mid-pipe 1822-0491 3 Stainless steel header 1822-0524 3 KTM 250 SX-F FE 15, 250 SX-F/XC-F 16-18 Stainless head pipe/mid-pipe, for Factory Edition only 1822-0432 3 Stainless steel SX head pipe/mid-pipe 1822-0448 3 250 SX-F/XC-F 19-22 Stainless steel header 1822-0480 3 Titanium header 1822-0481 3 350 EXC-F/XCF-W 17-19 Stainless steel head pipe/mid-pipe 1822-0494 3 350 SX-F/XC-F 16-18 Stainless steel SX head pipe/mid-pipe 1822-0448 3 350 SX-F/XC-F 19-22 Stainless steel header 1822-0482 3 Titanium header 1822-0483 3 350 XCF-W 20-22 Stainless steel head pipe/mid-pipe 1822-0508 3 450/500 EXC 17-19 Stainless steel header 1822-0515 3 450 SX-F/XC-F 15-17 Titanium head pipe/mid-pipe 1822-0431 3 450 SX-F 19-22 Stainless steel header 1822-0484 3 Titanium header 1822-0485 3 500 XCF-W 20-22 Stainless head pipe/mid-pipe 1822-0512 3 SUZUKI RM-Z250 19-24 Stainless steel header 1822-0492 3 Titanium header 1822-0493 3 RM-Z450 11-25 Stainless steel head pipe/mid-pipe 1822-0380 3 YAMAHA WR250F 20-21 Stainless steel header w/ mid-pipe 1822-0475 3 Titanium header w/ mid-pipe 1822-0476 3 WR250F 15-19 Titanium header w/ mid-pipe 1822-0415 3 YZ250F 14-18 Titanium header 1822-0415 3 YZ250FX 15-19 Titanium header w/ mid-pipe 1822-0415 3 YZ250FX 20-23 Stainless steel header w/ mid-pipe 1822-0475 3 Titanium header w/ mid-pipe 1822-0476 3 WR450F 19 Stainless steel header /mid-pipe 1822-0468 3 YZ450F 18-19 Stainless steel header /mid-pipe 1822-0468 3 YZ450F 20-22 Stainless steel header/mid-pipe 1822-0504 3 Titanium header w/ mid-pipe 1822-0505 3 YZ450F 23-24 Stainless steel header/mid-pipe 1822-0539 3 Titanium header w/ mid-pipe 1822-0540 3 YZ450FX 19 Stainless steel header /mid-pipe 1822-0468 3 MEGABOMB HEADERS STAINLESS STEEL AND TITANIUM •The ultimate power booster •Improved bottom to mid-range power •Produce the low end of a longer header and the top end of a short header •Less susceptible to damage than a long header •Effectively reduces sound output by as much as 1.5 dB •Run well with sound-restricting mufflers • Available in stainless steel or FMF’s exclusive Ti-Metal construction
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