Reviews on JASMA Approved Pipes (60mm - Inlet):
1) Tanabe Hyper Medallion (Straight Flow) - Good Low to Mid RPM Response - Sound Bassy and droning when cruising above 3K RPM, Screams when VTEC engage
2) Tanabe S-Flow - Good Mid to High RPM Response & Torque - Quiet Bassy Sound, Good Performance & Sound balance- Sound suttle when VTEC engage .
3) RSR Exmag GTII (Straight Flow) - Good Low to Midrange RPM Response & Torque - High pitch Bassy sound - Best Performance but lack sound damping - Best sounding VTEC Engagement
4) Ganador Titan Rouge (Straight Flow) - Good Low to Midrange Response - Low pitch Bassy sound - Best Performance & sound dampening for Straight Flow exhaust. Looks good with Blue exit tip.