Limits heat from entering your airbox & rear shockcanister by shielding heat emitted from the rear of your header pipe on most modern 4-strokes where pipe temperatures can exceed 5000 Farenheit. Air is denser when cooled. Denser
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Store Part no. - 278596
Manuf Part no. - CFW-ASS-CRF2R%7CX
  December 29,2009 20:15:39

The FMF Power Bomb has a unique bulge precisely located at the key point in the system for increased performance.
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Store Part no. - 778074
Manuf Part no. - FM-PBT-25SXF-07
  December 29,2009 20:10:38

Tri-oval muffler shape gives unique looks sound and clearance. Delivers plenty of performance in the mid and upper end of the powerband. The Comp system has a stainless steel header and midpipe mated to the same Tri-Oval TRC muf
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Store Part no. - 152773
Manuf Part no. - YO-TCAS-CRF4-03
  December 29,2009 20:11:07

Uses FMF's patented precision module located at the initial stage of the header for specific applications. Up to 10% horsepower gain. Exhaust sonics expand and contract throughout the system for increased flow. Pre-muffler actio
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Store Part no. - 778065
Manuf Part no. - FM-PBS-25SXF-07
  December 29,2009 20:10:43

Works well with Sound Restricting Mufflers. Reduces sound output by as much as 1.5dB. Less susceptible to damage than a long header. Improved bottom to mid-range power. Exclusive Ti-metal construction.
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Store Part no. - 153379
Manuf Part no. - FM-MB-YZF4-03
  December 29,2009 20:17:00

These systems utilize the stock header assembly. Slip-on replaces the stock restricted muffler resulting in better sound and an increase power.
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Store Part no. - 1205713
Manuf Part no. - M4-EXH-GP-006
  December 29,2009 20:12:00

Dyno tested at Harley-Davidson??. Unique header design utilizes multibend radius technology. Systems now include 18x1.5mm fuel/oxygen sensor port. Accepts closed-loop aftermarket fuel-injection management systems. Stepped header
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Store Part no. - 886658
Manuf Part no. - RH-02-EXHST-001
  December 29,2009 20:13:00

BUB 7 True Dual systems utilize performance-proven stepped header technology running 1 7/8 to 2 ; available with crossover/balance tube for impressive bottom-end and mid-range performance. Dual 02 sensor ports accept OEM or afte
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Store Part no. - 1236226
Manuf Part no. - BUB7-TD-003
  December 29,2009 20:18:00

Built to the same specs as Nick Wey David Villiemun and The MDK Speed AX Team. Full Titanium system with red kevlar exhaust cans. Includes Titanium Megabomb header and mid section limited edition red carbon/kevlar muffler and
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Store Part no. - 752790
Manuf Part no. - MDK-E1-CRF2-06D
  December 29,2009 20:12:00