The RS4 is the newest off-road design from Yoshimura, developed in conjunction with the Honda Red Bull Racing team. Yoshimira's busily developing exhaust systems for the 2010 CRF250, which will be offered in several different configurations, from a Stainless Slip-on to the factory Titanium Full System for ultimate performance (and bling factor). All models will feature the signature Yoshimura duplex chamber for sound absorption and weight savings. Here's the lineup and a photos for the new systems.

Click images for larger versions.

2010 CRF250 RS4
Stainless Aluminum Slip-on
P/N 2283704
MSRP $395.00

Stainless Aluminum Full System
P/N 2283504
MSRP $595.00

Titanium Titanium Full System
P/N 2283167
MSRP $845.00

Titanium Carbon Fiber Full System
P/N 2283162
MSRP $895.00

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