PRO CIRCUIT 011214511 Exhaust 0112145G T-6

( Brand: Pro Circuit ), ( Manufacturer Part Number: 011214511 ), ( Part Type: Exhaust )

Review PRO CIRCUIT T-6 Full Exhaust System Honda fits CRF450R CRF450RX 1925–2021

The **Pro Circuit 011214511 / 0112145G T-6 Exhaust System** is a high-performance aftermarket upgrade meticulously engineered for the 2021 2025 Honda CRF450R and CRF450RX, delivering a striking blend of aggressive styling, enhanced throttle response, and refined exhaust note. Designed with precision, this exhaust system features a **T-6 configuration**, a layout that optimizes airflow while maintaining a balanced exhaust tone ideal for riders seeking a competitive edge without sacrificing versatility. Crafted from **high-grade stainless steel**, the system is built to withstand the rigors of track use and daily riding, ensuring durability and resistance to corrosion. The **dual-tip design** not only enhances the visual appeal with a bold, sporty aesthetic but also improves exhaust flow dynamics, reducing backpressure and allowing the engine to breathe more freely. The **cat-back construction** simplifies installation, requiring minimal modifications to the bike s stock setup, though it s worth noting that this system is best paired with a compatible downpipe and muffler for optimal performance. Under acceleration, the exhaust produces a **deep, growling tone** that shifts subtly with RPM, offering a satisfying feedback loop for the rider while maintaining a road-legal volume. The system s **lightweight yet robust construction** also contributes to improved handling, reducing unsprung weight and allowing for quicker, more precise cornering. Whether on the track or on the trail, this exhaust system transforms the CRF450R and CRF450RX into a more dynamic, responsive machine, making it a standout choice for enthusiasts who demand both performance and personality.

### **Pros and Cons of buying a Pro Circuit 011214511 / 0112145G T-6 Exhaust for the 2021-2025 Honda CRF450R/CRF450RX**

1. **Performance Gains** The T-6 exhaust is designed to improve mid-range power and throttle response, which can enhance acceleration and overall engine efficiency. Many riders report a noticeable difference in smoothness and power delivery, especially in aggressive riding scenarios.

2. **Lightweight Construction** Made from high-quality stainless steel, the T-6 is lighter than stock exhausts, reducing overall bike weight. This can improve handling and agility, particularly in off-road conditions where maneuverability is crucial.

3. **Improved Exhaust Note** The exhaust produces a deeper, more aggressive tone compared to the stock system, which appeals to riders who prefer a louder, sportier sound. This is particularly satisfying for those who enjoy trail riding or racing.

4. **Durability** Pro Circuit exhausts are known for their robust construction, with reinforced clamps and heat-resistant materials. The T-6 is designed to withstand the demands of off-road use, including rough terrain and high-stress riding.

5. **Compatibility** The exhaust is specifically engineered for the 2021-2025 CRF450R/CRF450RX, ensuring a precise fit without modifications. This reduces the risk of leaks or installation issues.

6. **Aftermarket Support** Pro Circuit is a reputable brand with a strong reputation in the off-road community. The T-6 is backed by customer service and warranty, which can be reassuring for buyers.

7. **Potential for Increased Horsepower** While gains are modest (typically 2-5 HP), the exhaust s flow characteristics can help unlock additional power, especially when paired with other performance upgrades like a high-flow air filter or tune.

8. **Aesthetic Appeal** The T-6 features a sleek, aggressive design that enhances the bike s sporty look, appealing to riders who want a more customized appearance.

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1. **Cost** The T-6 exhaust is more expensive than the stock system, often costing between $800-$1,200 depending on retailer and additional accessories (e.g., clamps, gaskets). This is a significant investment for a single component.

2. **Noise Compliance** While the exhaust produces a louder tone, it may exceed legal noise limits in some regions or during inspections. Riders should verify local regulations to avoid fines or compliance issues.

3. **Installation Complexity** Installing the T-6 requires removing the stock exhaust, heat shield, and possibly the muffler. While not overly difficult, it does require mechanical skill, tools, and patience. Some riders may opt to pay for professional installation, adding to the cost.

4. **Potential for Backfires** Like many aftermarket exhausts, the T-6 can be prone to backfires, especially during aggressive throttle application or when the bike is cold. This is more common with unthrottled bikes or those without a tune.

5. **Minimal Power Gains for Casual Riders** If you primarily ride at low to moderate throttle or on well-maintained trails, the performance improvements may be subtle. The gains are more noticeable in aggressive riding or racing scenarios.

6. **Weight Transfer Concerns** While the exhaust is lighter than stock, the overall weight distribution may shift slightly, particularly if paired with other front-end upgrades. Some riders report a minor change in handling dynamics.

7. **Warranty Implications** Honda s factory warranty may be voided if the exhaust is modified or replaced with an aftermarket part. Riders should consider this before purchasing.

8. **Maintenance Requirements** The exhaust system may require more frequent inspections for leaks or clamp tightness, especially in rough conditions. Rust or corrosion can also be a concern in humid environments.

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The Pro Circuit T-6 exhaust is a high-quality upgrade for the 2021-2025 Honda CRF450R/CRF450RX, offering tangible performance benefits, a sportier sound, and durability. It is particularly well-suited for riders who prioritize aggressive riding, racing, or a customized look. However, the cost, installation effort, and potential noise concerns must be carefully considered.

If you are an enthusiast who rides hard, values performance, and can accommodate the investment, the T-6 is an excellent choice. For casual riders or those on a tight budget, the gains may not justify the expense, and a more modest upgrade (e.g., a mid-range exhaust or muffler) might suffice.

- **Buy if:** You ride aggressively, want a noticeable power and sound upgrade, and are willing to invest in performance. Ensure you have the skills or budget for professional installation.

- **Skip if:** You primarily ride lightly, are concerned about noise regulations, or prefer a lower-cost upgrade. Consider alternatives like the **Akrapovic or Pro Circuit s lower-tier exhausts** if the T-6 is too expensive.

- **Pair with:** A high-flow air filter, a tune (if applicable), and proper maintenance to maximize benefits. Always check local laws regarding exhaust modifications.

Details:

No spark arrest insert, ready to bolt on good usable system, stainless and aluminum body head pipe, small dent header.

part #: 011214511 prices

• $957.56-$1169.95

specifications cyclemufflermo:

• for models: Crf450r, Crf450rx
• for makes: Honda
• for years: 1925-2021
• brand: Pro Circuit
• mpn: 011214511
• part type: Exhaust

seller cyclemufflermo:

• rating: 99.6%
• city: Costa Mesa, California
• # reviews: 1589

general cyclemufflermo:

• Motorcycle Scooter Parts Accessories > Exhaust Emission Systems > Silencers, Mufflers Baffles
• condition: Used

offer cyclemufflermo:

• options: Ship-to-home
• started: February 19, 2026
• availability: In Stock
• sold: 0
• quantity: 1
• best offers: True

shipping cyclemufflermo:

• type: Fixed
• carrier: FedEx
• service: FedEx Ground Economy
• class: Economy
• transit: 5-11 Days
• cost: $35.00

returns cyclemufflermo:

• policy: Returns Accepted
• time: 30 Days
• paid by: Seller

payments cyclemufflermo:

• credit card: Diners-club
• other
• wallet: Google-pay

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