Honda Civic Si Performance Exhaust - GReddy - DD-R Resonated (2017+). A refined cat-back system delivering a deeper tone and precise fit for the Civic Si Sedan.

Engineered by GReddy for enthusiasts, the DD-R Resonated uses a straight-through layout with a resonator to smooth pulses and temper drone while preserving crisp throttle response. Quality stainless construction and carefully routed, mandrel-bent tubing promote consistent flow, and the bolt-on design integrates with factory hangers for straightforward installation. The sound is sporty under load and composed at cruise, making it a strong option for daily driving and weekend runs.

Features

• Resonated design for a controlled, deep exhaust note
• Stainless steel construction
• Mandrel-bent tubing for efficient flow
• Bolt-on fitment for 2017+ Civic Si Sedan

Questions about fitment or options? Call our Austin shop at 512-982-9393 (TX) or our Los Angeles area shop at 562-981-6800 (CA). We offer installation and customization services at both locations in Austin, Texas and the Los Angeles, California area.

Buying multiple items? Contact us for shipping discounts. We install on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov