Invidia HS12HC4STT 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-flow N1 cat-back exhaust system for enhanced performance
• Mandrel-bent T304 stainless steel tubing for strength and corrosion resistance
• Direct bolt-on fitment with OEM mounting points - no modifications needed
• Lightweight design reduces overall vehicle weight
• Dual polished 4-inch stainless steel exhaust tips for aggressive styling
• Optimized exhaust tone with reduced cabin drone
• Improves horsepower and torque output over stock exhaust
• Maintains factory ground clearance and drivability

Specifications

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

Included Components

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

Product Description

The Invidia HS12HC4STT N1 Cat-Back Exhaust is designed for 2012-2015 Honda Civic Si models with the 2.4L I4 engine and front-wheel drive configuration. This exhaust system improves exhaust flow to enhance horsepower and torque while producing an aggressive, sporty exhaust note with minimal cabin drone.

Crafted from durable mandrel-bent T304 stainless steel, this cat-back system provides superior corrosion resistance and a precise fit with OEM mounting points. The dual 4-inch polished stainless steel tips add a sleek, aggressive look to your vehicle's rear.

The lightweight design reduces overall vehicle weight compared to the factory exhaust, contributing to better throttle response and handling. This exhaust system offers a balanced performance upgrade suitable for daily driving and spirited driving alike.