Injen 3" Cat-Back Exhaust Honda Civic Si Sedan 2017-2020 | SES1581TT

Product Fitment: 

2017-2020 Honda Civic Si Sedan 

The Injen SES1581TT cat-back exhaust system delivers enhanced performance and aggressive sound for your 2017-2020 Honda Civic Si sedan. Engineered specifically for the 1.5L turbo engine, this 3-inch stainless steel exhaust maximizes flow while maintaining excellent build quality and fitment.

Key Features & Benefits

• 3-Inch Mandrel-Bent Tubing - Optimizes exhaust flow for improved horsepower and torque gains
• 304 Stainless Steel Construction - Provides superior corrosion resistance and long-lasting durability
• Aggressive Sound Profile - Delivers deep, sporty exhaust note without excessive drone
• Direct Bolt-On Design - Perfect OEM fitment with all necessary hardware included
• High-Flow Muffler - Reduces backpressure while controlling sound levels
• Polished Tip Finish - Premium appearance that complements your Civic Si's styling

What's Included

• Complete cat-back exhaust system
• All mounting hardware and clamps
• Installation instructions

Specifications

Fitment & Compatibility

This exhaust system is designed exclusively for 2017-2020 Honda Civic Si sedan models equipped with the 1.5L turbo engine. Not compatible with hatchback or coupe variants. Direct replacement for OEM cat-back system.

Installation

Bolt-on installation using factory mounting points. Can be installed with basic hand tools in approximately 2-3 hours. Professional installation recommended for optimal fitment and performance.