Improved horsepower and torque (when used with a Stealth Air cleaner kit; sold separately) Race-inspired design Removable dB reducer for back pressure and sound tuning Meet J2825 levels for sound All hardware included Deep-performance rumble replaces stock whisper tone No mapping required Sold in pairs Made in the U.S.A. Exempt per CARB Executive Order (E.O.) #K-010-16 for 18-20 models listed.
