When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
🚗 Product Overview
ISR Performance Single GT Exhaust – Infiniti Q50 Sedan (VQ37 / VR30)
Part Number: IS-GT-Q50
Turn up the sound and unlock serious flow with the ISR Performance Single GT Exhaust, engineered specifically for the Infiniti Q50 Sedan equipped with the VQ37 or VR30 engine. This Y-pipe-back exhaust system delivers unrestricted performance, reduced weight, and a deep, aggressive exhaust note that transforms your driving experience.
Designed to perform flawlessly on both naturally aspirated and forced-induction builds, the Single GT Exhaust is the perfect balance of raw power and refined aggression.
🔥 Why You’ll Love It
◆ Produces a deep, aggressive exhaust tone that demands attention
◆ Unrestricted 3" exhaust flow supports maximum horsepower potential
◆ Lighter than the factory exhaust, improving responsiveness
◆ Ideal for NA and turbocharged applications
◆ Purpose-built for performance-driven enthusiasts
🛠️ Premium Construction
▸ Mandrel-bent stainless steel piping for smooth, high-flow performance
▸ Precision TIG welding for strength and long-term durability
▸ Brushed stainless finish with a polished muffler and 4.5" tip for an aggressive, clean look
▸ Built to handle high heat and hard driving
📏 Exhaust Specifications
▶ Configuration: Single GT, Y-Pipe-Back
▶ Exhaust Diameter: 3"
▶ Muffler Tip Size: 4.5"
▶ Finish: Brushed Stainless / Polished Tip & Muffler
🚘 Vehicle Fitment
✔️ Infiniti Q50 Sedan – VQ37 or VR30 engines
⚠️ Sedan models only
❌ Not compatible with coupe models
📦 What’s Included
✔️ (1) Resonated front pipe
✔️ (1) 3" muffler section with 4.5" polished tip
✔️ (2) 3" two-bolt exhaust gaskets
✔️ (4) Bolts
✔️ (4) Nuts
⚠️ Important Legal Notice
For competition use only.
This exhaust system is not legal for use on public roads or highways and is intended strictly for race or exempt vehicles that will never be registered or street driven.
If you’re looking to shed weight, increase flow, and give your Q50 a bold, aggressive exhaust character, the ISR Performance Single GT Exhaust delivers race-inspired performance with unmistakable ISR quality.
