Fitment Information 

• Honda Civic SI (2022, 2023, 2024, 2025, 2026) 
  

Specs & Features  

• Tubing Size: 2.5-Inch
• Series: Street Series
• Sound Profile: Aggressive Street Tone
• Warranty: 3-Year Manufacturer Warranty
• Armor Lite: Not included
• Armor Pro: Not included
• Exit Style: Dual Rear Exit
• Tips Style: Burnt End, Single Wall or Carbon Fiber, Dual Wall
• Engine Compatibility: 1.5L Inline-4 Turbo

Emissions Compliance 

This exhaust does not alter, replace, or modify any emissions equipment.

Product Description

If you're serious about power, sound, and performance, MBRP’s 2.5-Inch Cat-Back Dual Rear Exit Exhaust is the upgrade your 2021 Honda Civic SI. Designed to free up airflow, boost throttle response, and give your truck a deep, aggressive exhaust note, this system delivers performance without the annoying cabin drone.

With mandrel-bent 3-inch tubing pushing up to 44% more exhaust flow, you’ll feel the difference in power and efficiency. The bolt-on fit makes installation a breeze—no cutting, no hassle, just performance. Whether you're hitting the trails or hauling gear, this is the exhaust your Tacoma deserves.

Redline360 is an authorized MBRP Dealer.