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Stillen Exhaust for 2008-14 Infiniti G37 Coupe/Sedan 504377 504402


Quick Overview

Stillen Exhaust Systems has what it takes to take your Infiniti G37 to the next level of performance.

Sku # : Stillin-Exhaust-Infiniti-G37-ER3

Your stock Infiniti G37 exhaust system is restrictive and hiding its true potential power. Stillen Dual Exhaust System reduces back pressure from your stock Infiniti exhaust, delivering proven horse power and torque gains. At idle the Stillen Exhaust System is unobtrusive, however once you press on the gas, the recognizable aggressive trademark exhaust sounds fills your ear like a symphony. You can expect mileage gains on steady highway travels with the Stillen Dual Exhaust System. All Stillen Exhaust Systems are covered with a Lifetime Warranty, giving the peace of mind. So if you're ready to step up to the next level of performance, the Stillen Dual Exhaust System is ready for your Infiniti G37.

  • Mandrel-bent Stainless Steel
  • Double walled polished stainless steel tips
  • True Cat-Back Exhaust System
  • Stillen Exhaust Systems are built for power


  • Dyno proven horse power and torque gains
  • Recognizable aggressive trademark exhaust sound
  • Improved exhaust flow
  • Distinctive show ready look
  • Expected mileage gains on highway travels
  • Lifetime Warranty


  • Infiniti G37 Coupe (Part# 504402)

  • Infiniti G37 Sedan (Part# 504377)

Installation Instructions

Questions about our Stillen Exhaust System Call (714) 582-3330

Infiniti G37 Coupe Dyno

Stillen Dual Exhaust System

Stillen Dual Exhaust on Infiniti G37

Stillen Dual Exhaust on Infiniti G37 Sedan

Questions about our Stillen Exhaust System Call (714) 582-3330

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