Invidia HS12HC2STT N1 Cat-Back Exhaust for 2012-15 Honda Civic Si 2.4L I4

Vehicle Fitment

• 2012-2015 Honda Civic Si (Coupe/Sedan, 2.4L I4, FWD)

Features

• High-performance N1 cat-back exhaust for improved exhaust flow and sound
• Mandrel-bent T304 stainless steel construction for durability and corrosion resistance
• Direct bolt-on installation using OEM mounts with no modifications
• Lightweight design reduces overall vehicle weight compared to stock exhaust
• Dual polished 4-inch stainless steel exhaust tips for aggressive styling
• Optimized for increased horsepower and torque output
• Refined exhaust note with minimal drone for daily driving
• Precision fitment maintains ground clearance and drivability

Specifications

• Material: T304 stainless steel
• Tube diameter: 3.0 inches
• Exhaust tips: Dual 4-inch polished stainless steel
• Fitment: Cat-back exhaust system, rear section only
• Drivetrain compatibility: Front-Wheel Drive (FWD)
• Engine compatibility: 2.4L Inline-4 (K24Z3)
• Weight reduction: Approximately 10 lbs lighter than OEM exhaust

Included Components

• 1x N1 Racing cat-back exhaust assembly
• 2x Polished stainless steel exhaust tips
• 1x Complete mounting hardware kit
• 1x Installation instructions

Product Description

The Invidia HS12HC2STT N1 Cat-Back Exhaust is engineered specifically for the 2012-2015 Honda Civic Si models equipped with the 2.4L inline-4 engine and front-wheel drive. This performance exhaust system improves exhaust flow, increasing horsepower and torque, while delivering a deep, aggressive exhaust note without excessive cabin drone.

Constructed from premium T304 stainless steel with mandrel bends, it offers excellent durability and resistance to corrosion. The direct bolt-on design fits perfectly using OEM mounting points, making installation quick and hassle-free. The dual 4-inch polished tips enhance the car's sporty appearance.

Its lightweight construction reduces overall vehicle weight compared to the factory exhaust, contributing to improved throttle response and handling. This system offers a perfect balance between performance gains and street-friendly sound, ideal for both daily driving and spirited weekend use.