PRO CIRCUIT 4H01080 T-4 Exhaust Performance Upgrade for Dirt Bikes 250cc-450cc

Upgrade your dirt bike’s performance with the PRO CIRCUIT T-4 Exhaust (Part Number: 4H01080). Designed for riders seeking enhanced throttle response and optimal power delivery, this exhaust system offers a significant boost in acceleration and responsiveness. Extensively track- and dyno-tested, the T-4 ensures reliability and top-tier performance under demanding conditions. Moto-House MX recommends this exhaust for racers and enthusiasts aiming for a competitive edge, especially with its USFS-approved spark arrestor that can be easily removed for closed-course riding or racing.

Constructed with advanced materials and engineering, the PRO CIRCUIT T-4 features a durable steel Allen head screw system for quick repacking and maintenance. Its exclusive E-glass pillow packing not only enhances durability but also contributes to a more consistent sound and performance. Weighing approximately 49 pounds, this exhaust is engineered to deliver maximum power without adding unnecessary weight, making it ideal for aggressive riding styles and performance-focused riders.

Top Features: PRO CIRCUIT T-4 Exhaust

• Advanced Throttle Response: Ensures lightning-quick acceleration for competitive riding.
• Track & Dyno Tested: Proven to increase horsepower and improve overall engine efficiency.
• Easy Repacking: Steel Allen head screws facilitate quick and straightforward maintenance.
• Exclusive E-Glass Pillow Packing: Provides durability, sound consistency, and performance longevity.
• USFS-Approved Spark Arrestor: Allows for legal use on public trails and provides the option for closed-course racing.

Pro-Tip: For optimal performance, check and replace packing regularly and ensure all screws are tightened properly during installation.

Fitment List

Year Range Brand Model & Size 2000-2024 PRO CIRCUIT Compatible with 250cc-450cc Dirt Bikes

Frequently Asked Questions

• 
  Q: Is this exhaust compatible with my specific motorcycle model?
• 
  A: This exhaust is designed for a wide range of 250cc-450cc dirt bikes; please verify your model and year for proper fitment.
• 
  Q: Can I remove the spark arrestor for racing?
• 
  A: Yes, the USFS-approved spark arrestor can be safely removed for closed-course or racing applications.
• 
  Q: How often should I replace the packing?
• 
  A: Regular inspection and replacement of the pillow packing are recommended every 10-15 hours of riding for optimal performance.

Pair with: High-Performance Air Filters, Motocross Engine Oil

Stop by our local Store Montverde, FL or lightning-fast shipping across the USA.

Moto-House MX – Choice of Champions – is located in Clermont/Montverde, FL. The Best Motocross/UTV & ATV Shop in Central Florida.

Features:

• Advanced Throttle Response: Ensures lightning-quick acceleration for competitive riding.

• Track & Dyno Tested: Proven to increase horsepower and improve overall engine efficiency.

• Easy Repacking: Steel Allen head screws facilitate quick and straightforward maintenance.

• Exclusive E-Glass Pillow Packing: Provides durability, sound consistency, and performance longevity.

• USFS-Approved Spark Arrestor: Allows for legal use on public trails and provides the option for closed-course racing.