HKS Hi-Power Muffler Exhaust | Honda Civic Type R FL5 K20C (23+) (31006-KH001)Achieve low exhaust pressure, while increasing power and exhaust performance. This will provide a more aggressive exhaust tone while not been excessively loud. Full Straight Pipe achieves Low Exhaust Pressure! The D75mm pipe and full straight structure with no restrictions achieves 30% lower exhaust pressure compared to stock. D119mm Titanium tail with HKS logo is makes a sporty rear view. Highly Emotional and Aggressive Sound! By adopting a bullet