Invidia HS03IG3GIS Gemini Cat-Back Exhaust for 2003-2006 Infiniti G35 Coupe

Vehicle Fitment

• 2003-2006 Infiniti G35 Coupe (RWD, 3.5L V6)

Features

• Mandrel-bent SUS304 stainless steel piping for improved exhaust flow
• Dual rolled stainless steel exhaust tips for a polished look
• Gemini series cat-back design for balanced sound and performance
• Optimized muffler for enhanced mid-range power and reduced drone
• Direct bolt-on fitment - no cutting or welding required
• Precision CNC flanges and robot TIG welding for long-lasting build
• Sporty yet refined exhaust tone for street use
• Polished finish resists corrosion for durability

Specifications

• Part Number: HS03IG3GIS
• Type: Gemini Series Cat-Back Exhaust
• Material: SUS304 Stainless Steel
• Main Pipe Diameter: ~60 mm (≈ 2.36 in)
• Exhaust Tip Diameter: ~110 mm (≈ 4.33 in)
• Exit Location: Dual rear outlets
• Fitment: RWD configuration only

Included Components

• 1x Complete Gemini cat-back exhaust assembly
• 2x Rolled stainless steel rear exhaust tips
• 1x Hardware kit (bolts, clamps, gaskets)
• 1x Installation instructions

Product Description

The Invidia HS03IG3GIS Gemini Cat-Back Exhaust is a high-performance exhaust upgrade engineered for the 2003-2006 Infiniti G35 Coupe with rear-wheel drive. Constructed from premium SUS304 stainless steel with mandrel-bent piping and precision TIG welding, this cat-back system improves exhaust flow compared with the factory setup, which can lead to better throttle response and a more engaging driving experience. The dual rolled stainless steel tips provide a refined, sporty rear look and enhance the vehicle's stance.

Designed for enthusiasts seeking a balance between performance and refined exhaust tone, the Invidia Gemini cat-back delivers a deeper, more aggressive sound without excessive cabin drone. Installation is a direct bolt-on process using OEM hangers and hardware, with no cutting or modifications required - making this a straightforward upgrade for G35 owners looking to enhance both performance and aesthetics.