Invidia HS06HC4G3T Q300 Titanium Tip Cat-Back Exhaust for 2006-2011 Honda Civic

Vehicle Fitment

• 2006-2011 Honda Civic Si Sedan (FA5, 2.0L I4)

Features

• Mandrel-bent SUS304 stainless steel piping for improved flow
• Q300 series muffler design for balanced performance and tone
• Dual burnt titanium exhaust tips for a premium, sporty look
• Optimized layout reduces back pressure for power gains
• Enhanced throttle response and mid-to-top-end torque
• Direct bolt-on installation using OEM hangers
• Precision CNC-machined flanges for accurate fitment
• Resonated design to limit excessive drone

Specifications

• Part Number: HS06HC4G3T
• Type: Q300 Series Cat-Back Exhaust
• Material: SUS304 Stainless Steel
• Piping Diameter: ~70 mm (~2.75 in)
• Tip Diameter: ~110 mm (~4.33 in)
• Tip Material: Burnt Titanium
• Exit Configuration: Dual rear outlets
• Fitment: Honda Civic Si (Sedan) with 2.0L I4

Included Components

• 1x Q300 cat-back exhaust assembly
• 2x Burnt titanium exhaust tips
• 1x Hardware kit (bolts, clamps, gaskets)
• 1x Installation instructions

Product Description

The Invidia HS06HC4G3T Q300 Titanium Tip Cat-Back Exhaust is a performance-oriented exhaust upgrade engineered specifically for the 2006-2011 Honda Civic Si Sedan equipped with the 2.0-liter inline-4 engine. Built from mandrel-bent SUS304 stainless steel and featuring dual burnt titanium tips, this cat-back system improves exhaust gas flow compared with the stock exhaust, helping to enhance throttle response, torque, and horsepower. The Q300 muffler design balances performance and everyday drivability with a satisfying sporty tone that avoids excessive cabin drone.

Installation is straightforward with a direct bolt-on approach using factory hangers and the included hardware - no cutting or welding is required. Precision CNC-machined flanges ensure a secure, accurate fit that aligns with OEM mounting points. The burnt titanium tips provide a premium aesthetic and heat-resistant finish that enhances the rear styling of your Civic Si. Whether you're upgrading for sound, performance, or both, this Invidia cat-back exhaust is a popular choice among Si enthusiasts looking for a refined yet aggressive upgrade.