Discounted Shipping Rates Worldwide. Free Shipping On Orders Over $99 (US, Puerto Rico)

2025 Parts and Accessories Collection Now In Stock | Shop New Arrivals Today

PRO CIRCUIT  |  SKU: 4H05450

PRO CIRCUIT T-4 Silencer CRF450R 2005 /CRF450X 2005-2015 4H05450 1821-0175

$475.00 USD $539.95
Shipping calculated at checkout.

Fast FREE Shipping over $99 (Continental US) and Low International Shipping Rates

  • We offer Fast, FREE shipping within the continental US for orders over $99.00.
  • For more information on shipping, including our low international shipping rates, see our Shipping Policy.

Expert Advice

We are here to help you choose the best product for your ride. You can always Contact Us. We respond to all questions within a few hours during a business day or by the next business day.

Description

  • Designed to be used with OEM stock head pipes or Pro Circuit head pipes
  • Ultra-responsive performance
  • Incredible horsepower gains when compared to stock
  • Developed to increase the horsepower and torque throughout the power curve
  • Aluminum/stainless construction for reduced weight and increased durability
  • Strong mounting bracket(s) for increased durability
  • Designed for easy disassembly and re-packing when needed
  • Removable USFS approved spark arrestor
2005-2015 Honda CRF450X - -
2005 Honda CRF450R - -

Fitment Disclosure

This quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.

Reviews (0)

Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)

Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Venmo
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Testimonials

I have never had a better experience working with a company. They were happy to help me with my million questions, they went above and beyond to make sure I got exactly what I needed. The product is perfect. Grade A stuff. I will happily repeat business with them in the future. Blue, extended brake lines for a stunt bike build. Highly recommended....

Ryan Higgins

Festus, MO, US

Very nice exhaust, Happy that I bought it. It sounds great and looks like it belongs there. Thanks.

Nenito V.

Madison, AL, US

Seller communication was supreme 👌. Seat covers feel premium, packaging was in great condition, came with a video direction seat for install. 10/10 experience.

Samuel Ferguson

BARBOURSVILLE, VA

All as expected. Fast delivery.

Enrique Coreano

Brighton, CO

Very fast shipping to Hawaii. Product arrived in 2 days after seller sent it out. Great customer service, brake lines were of high quality, and was very easy to install on my 2009 Hayabusa. Would definitely do business with the seller again! Mahalo nui loa 🤙🏼

Zanston Makinney

Mililani, HI, US

PRO CIRCUIT

PRO CIRCUIT T-4 Silencer CRF450R 2005 /CRF450X 2005-2015 4H05450 1821-0175

$475.00 USD $539.95
2005-2015 Honda CRF450X - -
2005 Honda CRF450R - -

Fitment Disclosure

This quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.
View product