• Item fits 2004-2005 CRF250R and 2004-2006 CRF250X models.
• As the pioneer of quiet performance mufflers, FMF raised the bar again in 2007 with the second generation of  "Q" series mufflers.
• Built from the ground up the Q4 is a completely new design, engineered for maximum performance while maintaining a sound level at or near 93dB on most models.
• The Q4 incorporates Factory Forward Engineering to move the muffler closer and centralizing the mass for improved handling characteristics.
• The new Hi-Flo formed end cap reduces weight and is less prone to damage.
• The Q4 has an anodized aluminum canister and is lighter and quieter than the original "Q".
• All three models utilize a mainenance free USFS approved turbine type spark arrestor so there is no screen to clean or burn out.
• With their free flowing internal baffles and chambers, advanced sound-absorbing materials and now reduced weight, the Q4 is the market leader for low sound/high performance.
• Max sound output of 96dB.
• American TIMETAL® canister, end caps and midpipe.
• Comes standard with spark arrestor.
• For Honda CRF250R4, CRF250R5, CRF250X4, CRF250X5 and CRF250X6.

JC Motors Part# 041249