2025+ Kia K4 GT-Line Hatchback & Sedan Axle Back Exhaust

Unlock a deeper, sportier tone for your 2025+ Kia K4 GT-Line with the AeroFlow Dynamics axle back exhaust system. Designed for direct fitment on Kia K4 GT-Line sedan and hatch models, this system gives your K4 a cleaner rear end presence, improved sound, and a more aggressive driving experience without replacing the entire exhaust system.

Built from high quality SS 304 stainless steel, this axle back system is made for long term durability, clean exhaust flow, and a premium motorsport inspired finish.

Key Features

• Fits 2025+ Kia K4 GT-Line models (sedan and hatch)
• Fits 1.6L turbo and 2.0L models
• Direct bolt-on installation
• Made from SS 304 stainless steel
• Deeper exhaust tone over factory
• Sportier sound profile for daily street driving
• More aggressive startup and acceleration note
• Built for durability and long term performance

Fitment

• 2025+ Kia K4 GT-Line Sedan 1.6L Turbo
• 2025+ Kia K4 GT-Line Hatch 1.6L Turbo
• 2025+ Kia K4 GT-Line Sedan 2.0L
• 2025+ Kia K4 GT-Line Hatch 2.0L