STILLEN 2003-2007 Infiniti G35 Coupe Stainless Steel Exhaust Systems - Dual Wall Tips - 504360D

Unleash refined performance and signature STILLEN sound with the STILLEN Stainless Steel Cat-Back Exhaust System for the 2003–2007 Infiniti G35 Coupe (V35). Engineered through months of R&D and real-world testing on the G35 and 350Z platforms, this exhaust system delivers measurable power gains while preserving the luxury character Infiniti owners expect.

This system features a true dual split-exit design with an X-pipe configuration, optimizing exhaust scavenging for improved horsepower and torque across the powerband. Constructed from mandrel-bent 304 stainless steel, the STILLEN exhaust ensures long-term durability, corrosion resistance, and flawless fitment.

At idle and during highway cruising, the exhaust maintains a mild, refined tone, keeping cabin noise comfortable and composed. Under throttle, it transforms with an aggressive yet controlled exhaust note, delivering the authoritative sound enthusiasts crave without excessive drone. Finished with polished 304 stainless steel dual wall tips, this system provides a clean, show-ready appearance that perfectly complements the G35 Coupe’s rear profile.

Designed as a direct bolt-on cat-back system, installation is straightforward, making this an ideal upgrade for drivers seeking performance, sound, and longevity in one complete package.

Key Features & Benefits

• Up to 15 WHP Increase at the Wheels*
• Up to 18 ft-lbs Torque Gain*
• True Cat-Back Exhaust System
• Dual Split Exit with X-Pipe Configuration
• Mild at Idle & Cruising / Aggressive Under Throttle
• Refined Sound with Minimal Cabin Intrusion
• Mandrel-Bent 304 Stainless Steel Construction
• Polished 304 Stainless Steel Dual Wall Exhaust Tips
• Improved Exhaust Flow for Performance & Efficiency
• Direct Bolt-On Installation
• Limited Lifetime Warranty

* Results may vary

Vehicle Fitment

• 2003–2007 Infiniti G35 Coupe (V35)

Coupe models only

Overview

The STILLEN Stainless Steel Cat-Back Exhaust System for the Infiniti G35 Coupe is built for enthusiasts who demand performance without sacrificing refinement. Its free-flowing design unlocks noticeable horsepower and torque gains, while the carefully tuned mufflers deliver STILLEN’s trademark sound—powerful, clean, and responsible.

Beyond performance, this exhaust enhances highway efficiency at steady cruising speeds and adds a premium visual upgrade with its polished dual wall tips. Backed by STILLEN’s limited lifetime warranty and renowned build quality, this system is a long-term investment in both performance and style.