aFe Takeda Exhaust System

2017–2025 Honda Civic Si Sedan 1.5L Turbo

Part #: 49-36621-1C

Overview

Enhance the performance and appearance of your Honda Civic Si Sedan with the aFe Takeda 3-inch to 2-1/2-inch stainless steel cat-back exhaust system. Designed specifically for the L4-1.5L turbocharged engine, this exhaust upgrade offers a perfect combination of increased power, improved sound, and a sleek aesthetic. Whether you're a daily driver seeking better throttle response or a performance enthusiast aiming for maximum efficiency, this system is engineered to meet your needs.

Constructed with high-quality materials and precision craftsmanship, the Takeda exhaust system not only boosts your vehicle's horsepower and torque but also elevates its visual appeal with dual carbon fiber tips. Experience a more aggressive exhaust note and enhanced driving enjoyment while maintaining reliable, race-proven durability.

Key Features

The Takeda 3" to 2-1/2" cat-back exhaust system incorporates several advanced features designed to optimize your vehicle's performance and durability:

• Constructed from 304 stainless steel tubing, ensuring excellent corrosion resistance and longevity in various driving conditions.
• Mandrel-bent tubing maintains smooth airflow paths, reducing backpressure and supporting increased horsepower and torque.
• 100% hand TIG-welded by certified craftsmen, guaranteeing precise fitment and robust strength suitable for both street and track use.
• Dual stainless steel mufflers improve exhaust flow and produce a deep, aggressive sound profile that enhances your Civic Si's sporty character.
• Dual carbon fiber tips add a premium, race-inspired aesthetic to your vehicle’s rear end, complementing its sporty styling.
• Designed for easy bolt-on installation with no cutting or welding required, allowing for a straightforward upgrade process.
• Optimized for performance gains of up to +10 HP and +11 lbs. x ft. torque, helping your Civic Si achieve better acceleration and responsiveness.
• Exhaust system is engineered to improve exhaust flow compared to the factory setup, supporting enhanced engine efficiency and power output.

Construction & Design

The Takeda exhaust system features a meticulously crafted design utilizing high-grade 304 stainless steel tubing, which resists corrosion and maintains structural integrity over time. The mandrel-bent construction ensures smooth, unrestricted airflow, minimizing turbulence and backpressure. Each component is TIG-welded by skilled artisans, resulting in a seamless, durable assembly that withstands the rigors of spirited driving and harsh environments.

The dual mufflers are engineered to deliver a balanced combination of performance and sound, producing an assertive exhaust note without excessive drone. The dual carbon fiber tips not only provide a lightweight, stylish finish but also help dissipate heat effectively, maintaining optimal exhaust temperatures and performance.

Installation & Fitment

The Takeda 3" to 2-1/2" cat-back exhaust system is designed for a straightforward bolt-on installation. It mounts directly to the factory exhaust points, requiring no cutting, welding, or modifications. The system includes all necessary hardware and clamps for a secure fit. Typical installation can be completed with basic hand tools and minimal mechanical experience. No tuning is required, and the system is compatible with the stock catalytic converter and other factory components.

What's Included

• Complete exhaust system with dual stainless steel mufflers
• Dual carbon fiber exhaust tips
• All necessary clamps and hardware for installation
• Instruction manual for proper assembly and fitment

Ideal For

• Honda Civic Si owners looking to improve exhaust flow and sound
• Performance enthusiasts seeking a reliable, race-inspired upgrade
• Daily drivers wanting a sporty aesthetic and enhanced driving experience
• Track day participants aiming for increased horsepower and torque