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Pro Circuit
T-4 Exhaust System
$238.99 
Lowest Price Guarantee
MSRP $249.99-674.99
Customer Rating:  


Item Availability status
Available - Usually leaves our warehouse in 1 business day(s).
All 2004 Honda CRF100F Parts
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Product Description
  • Pro Circuit's newest systems offer top-of-the-line performance and power
  • Improved power delivery and exhaust note
  • Body is made from lightweight 6061 T-6 brushed aluminum and the end cap and intake tube are stainless steel
  • Tunable end caps allow fine-tuning of power delivery for different types of riding and terrain
  • Silencers include wire-meshed spark arrestor that can be removed for closed-course racing
  • Steel Allen head screws make re-packing an easy task
  • Complete systems include stainless steel header
  • Exclusive E-glass pillow packing


    • Click Here for Additional Exhaust Information
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Accessories
End-Cap Pro Circuit
End Cap
 $31.99
Customer Reviews
Average Rating -  Based on 6 Review(s)
Fit   4.2
Features   5.0

Finish   4.8
Cost Benefit   4.8

Durability   4.8
Overall   4.7
Latest Reviews
Fit   4.0
Finish   4.0
Durability   5.0
Features   5.0
Cost Benefit   5.0
Overall   4.6
Stephen Fort Yukon,  AK Nice Exhaust I bought the T4 exhaust system for my CRF230F and it added a lot of power. It fits perfectly and sounds pretty good too.
Fit   2.0
Finish   5.0
Durability   4.0
Features   5.0
Cost Benefit   4.0
Overall   4.0
Johanthan Quinton,  AL pro circuit t-4 exhaust system Easy to install. Better sound than stock pipe but doesn’t have a deep enough sound for me. As far power it gives it more torque, but you can get the same thing from taking out the stock baffle from your factory pipe.
Fit   5.0
Finish   5.0
Durability   5.0
Features   5.0
Cost Benefit   5.0
Overall   5.0
Robert Gravely Roy,  WA Pro Circuit - T-4 Exhaust System Very nice product, 20 minutes to install. Added a noticeable amount of torque to a little bike. Excellent pipe great sound.
Fit   4.0
Finish   5.0
Durability   5.0
Features   5.0
Cost Benefit   5.0
Overall   4.8
mike phx ,  AZ the best up grade ever The power band is a lot better. The sound is 100% better, the best thing I have ever bought.
Fit   5.0
Finish   5.0
Durability   5.0
Features   5.0
Cost Benefit   5.0
Overall   5.0
Mark A. Akers Elyria,  OH Pro Circuit - T4 Exhaust System I purchased this exhaust system for my sons CRF100F Honda. This exhaust does make a big difference when compared to stock. More power output, nice loud tone like a dirtbike should be. Installation was easy along with a nice fit. Gives the entire bike a whole new look. You won't be disappointed.
Fit   5.0
Finish   5.0
Durability   5.0
Features   5.0
Cost Benefit   5.0
Overall   5.0
Clifford Sanchez Wailuku,  HI Pro Circuit Exhaust This was an awesome addition to my CRF 150, you can really feel the difference between the stock exhaust and the Pro Circuit Exhaust. GET ONE!!!
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