Pro Circuit T-4 Slip-On Silencer 4H00400 - Honda XR400R 1996-2004

Product Description

The Pro Circuit T-4 Slip-On Silencer is developed to significantly increase horsepower and torque throughout the entire power curve for your Honda XR400R. Built for trail and off-road riders, this performance slip-on combines rugged durability with enhanced power delivery.

Featuring a polished aluminum canister paired with a durable stainless steel mid-pipe, the T-4 slip-on includes steel Allen-head screws to make routine repacking a straightforward task. It also comes equipped with a wire-meshed spark arrestor that can be easily removed for closed-course racing.

Top Features: Pro Circuit T-4 Slip-On Silencer

• Developed to increase horsepower and torque throughout the entire power curve
• Polished aluminum canister paired with a durable stainless steel mid-pipe
• Includes a wire-meshed spark arrestor that is removable for closed-course racing
• Steel Allen-head screws make muffler repacking a quick and easy task
• Compatible for use with either OEM factory or Pro Circuit headers

Please review the detailed compatibility data below to ensure an exact fitment match for your dirt bike before finalizing your purchase.

Fitment List

Frequently Asked Questions

Q: Can I use this slip-on with my stock header pipe?
A: Yes, the T-4 slip-on is designed to be used with either OEM factory headers or Pro Circuit aftermarket headers.

Q: Is the spark arrestor removable for track use?
A: Yes, it includes a wire-meshed spark arrestor that can be removed when riding in closed-course racing environments.

Expert Pro-Tip: When installing a slip-on silencer, apply a thin layer of high-temperature silicone sealant at the joint connection between the header and mid-pipe to prevent exhaust leaks, and leave mounting bolts loose until everything is aligned.

Recommended Pairings:

• Honda 4-Stroke Performance Parts & Upgrades
• Honda All Performance Parts
• Silencers & Exhaust Parts

At Moto-House MX, we carry the best brands in motocross and off-road performance. Our team has over 40 years of experience helping riders get more out of their machines. We pride ourselves on great customer service, and every item ships FAST - straight to your door.

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