PRO CIRCUIT - 4H00400 - T-4 Silencer - XR400R '96-'04
The PRO CIRCUIT 4H00400 is a performance-engineered silencer for off-road applications. Designed to be used with OEM stock head pipes or Pro Circuit head pipes, essential for riders on public lands. Ultra-responsive performance, keeping noise within acceptable limits. Incredible horsepower gains when compared to stock, preventing cracking from high-vibration use. Developed to increase the horsepower and torque throughout the power curve, keeping weight in check. Direct bolt-on fit for the appropriate applications. Sold individually.
Features
- 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
Specs
- Riding Style: Off-Road
- End Cap Material: Stainless Steel
- Model: T-4
- Type: Slip-On
- Product Name: Silencer
- Style: Round
- Features: with Spark Arrestor
- Muffler Material: Aluminum
- Pipe Material: Stainless Steel
- Units: Each
- Muffler Color/Finish: Polished
Frequently Asked Questions - PRO CIRCUIT - 4H00400 - T-4 Silencer - XR400R '96-'04
How do I know if this part fits my vehicle?
Check the fitment information listed on this page against your exact year, make, model, and (where applicable) trim, engine size, or configuration. If your exact vehicle isn't listed, or you're not sure, use the product chat on this page or contact our support team before ordering - we're glad to help confirm fitment.
What does it mean if a product is listed as universal fit?
Universal fit means the product is designed to work across a range of vehicles, not that it's guaranteed to fit every one. Compare the listed measurements, mounting requirements, and connector or hardware specs against your specific vehicle before ordering, since some installations may need additional hardware or minor fabrication.
Where can I find installation instructions for this product?
General installation notes are provided above where available. For detailed step-by-step instructions, refer to the manufacturer's documentation included with the product, or use the product chat on this page for questions about difficulty, required tools, or whether professional installation is recommended.
What if I have more questions about this product?
Use the product chat on this page for fitment, specs, installation, and compatibility questions, or contact our support team directly for help before you order.
