FlowSonic TrailJet 390

The FlowSonic TrailJet 390 is a high-performance, full-system exhaust engineered exclusively for the 2025 KTM 390 platform. Crafted using premium stainless steel, this system delivers superior durability, improved exhaust flow, and a crisp performance note—ideal for riders who demand precision, reliability, and race-level output from their machine.

Designed and developed by Sagar Auto Parts, the TrailJet 390 is purpose-built to withstand rugged terrains, high temperatures, and intense off-road riding conditions. Its free-flow architecture ensures noticeable gains in throttle response and engine smoothness when paired with the right performance upgrades.

Key Features

• Stainless Steel Construction (SS 304)
  Offers long-term durability, corrosion resistance, and stable acoustic performance under continuous high heat.

• Full System Exhaust
  Includes muffler, bend tube, and manifold/header tube—engineered for optimized backpressure and seamless power delivery.

• Direct Fitment for KTM 390 (2025 Series)
  Precisely designed for:
  ✔ Adventure 390
  ✔ Enduro 390
  ✔ SMC 390

• High-Quality Clamps Included
  All required clamps and mounting hardware are provided for secure installation.

• Enhanced Performance Setup (Optional but Recommended)
  For maximum output and smooth fueling, we strongly suggest:

  • High-flow performance air filter

  • Advanced fuel supply/auto-tune system (FuelX, PowerTronic, Race ECU, etc.)

Installation Guidance

This exhaust system should be installed by an experienced motorcycle mechanic to ensure proper alignment, sealing, and optimal engine performance. Perfect results depend on precise fitment and correct tuning.

Usage Disclaimer

⚠ OFF-ROAD & COMPETITION USE ONLY
The FlowSonic TrailJet 390 does not comply with standard on-road noise and emission regulations. It is strictly intended for racing, off-road riding, and closed-circuit events.

Why Choose TrailJet 390?

• Superior exhaust flow for improved riding dynamics

• Race-ready sound profile—deep, controlled, and aggressive

• Strong welded construction made for extreme terrains

• Designed, tested, and manufactured by an experienced automotive engineering team