HKS Hi Power Spec-L II Muffler For CUP Competition- GR86/BRZ (ZN8/ZD8)
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HKS Hi-Power SPEC-L II Muffler for CUP Competition – Toyota GR86 / Subaru BRZ (ZN8/ZD8)
The HKS Hi-Power SPEC-L II Muffler is engineered as the ultimate lightweight exhaust for the GR86 and BRZ, weighing just 7.8kg - 52% lighter than stock. Its stainless steel construction delivers durability with performance focused design for competition use.
By reducing weight and moving mass toward the vehicle’s center, handling is sharpened with a lower yaw moment of inertia. This results in quicker response and improved cornering agility, making it ideal for high-performance driving and CUP competition.
Pipe diameters are carefully selected to suit the FA24 engine’s torque curve, striking the perfect balance between flow and efficiency. This ensures smooth exhaust gas movement, reduced back pressure, and maximised power, all while producing HKS’ signature sporty exhaust note.
Key Features
- Ultra-lightweight stainless steel muffler at only 7.8kg
- 52% lighter than factory exhaust for sharper handling
- Improves agility by lowering yaw moment of inertia
- Optimised pipe sizing for FA24 engine performance
- Delivers maximum efficiency with low resistance
- Produces signature HKS sporty exhaust sound
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