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Performance Titanium Stainless Steel Catback Exhaust System for Infiniti G37 Q40 3.7L by Stratec Systems
SKU: 721814383492
$2,999.00 USD
Shipping calculated at checkout.
Experience complete control over your Infiniti G37's sound and performance with the STRATECâ„¢ Performance Valved Cat-Back Exhaust System. Engineered specifically for the 3.7L VQ37VHR platform, this premium exhaust system delivers increased exhaust flow, improved throttle response, and a deep, refined exhaust note with the convenience of electronically controlled exhaust valves.
Available in Aerospace-Grade Titanium or Premium T304 Stainless Steel, the STRATECâ„¢ system is designed to satisfy both performance enthusiasts and daily drivers. Whether you're looking for maximum weight savings with titanium or exceptional durability with stainless steel, both configurations offer outstanding fitment, superior craftsmanship, and an unmistakable VQ exhaust tone.
At the push of a button, switch from a refined, comfortable cruising sound to an aggressive motorsport-inspired exhaust note that unleashes the true character of the VQ37VHR engine.
Available Material Options
Option 1 – Aerospace-Grade Titanium
- Ultra-Lightweight Construction
- Significant Weight Reduction
- Superior Heat Resistance
- Exotic High-Frequency Exhaust Note
- Premium Burnt Titanium Finish
Option 2 – Premium T304 Stainless Steel
- Automotive-Grade T304 Stainless Steel
- Excellent Durability
- Deep Performance Exhaust Tone
- Outstanding Corrosion Resistance
- Exceptional Value
Dual Sound Control
Valves Closed
Produces a refined, comfortable exhaust tone ideal for daily driving, highway cruising, and long-distance travel with minimal cabin drone.
Valves Open
Transforms the G37 into an aggressive performance machine with a deeper, louder exhaust note, increased volume, and enhanced VQ37VHR engine character.
Engineering & Construction
Electronically Controlled Valves
Instantly switch between quiet and aggressive exhaust modes using the included wireless valve controller.
Mandrel-Bent Tubing
Precision mandrel-bent piping maintains consistent exhaust flow while reducing turbulence and backpressure.
Precision TIG Welding
Every exhaust is expertly TIG welded to ensure superior strength, durability, and long-term reliability.
Performance Muffler Design
Engineered to maximize exhaust flow while producing a clean, deep, and refined exhaust tone without excessive drone.
Features
- Electronically controlled valved exhaust system
- Available in Titanium or T304 Stainless Steel
- Direct bolt-on installation
- Mandrel-bent tubing
- Precision TIG-welded construction
- Reduced exhaust backpressure
- Improved throttle response
- Increased horsepower and torque potential
- Deep, aggressive VQ37VHR exhaust note
- Premium exhaust tips
- OEM-quality fitment
- Wireless remote valve controller included
Exhaust Tip Options
- Burnt Titanium
- Blue Titanium
- Purple Titanium
- Polished Titanium
- Carbon Fiber
- Polished Stainless Steel
- Satin Black
Package Includes
- Complete Cat-Back Exhaust System
- Valved Rear Muffler Assembly
- Mid Pipes
- Exhaust Tips
- Electronic Valve Actuators
- Wireless Valve Controller
- Wiring Harness
- Mounting Hardware
- Clamps
Vehicle Fitment
Infiniti G37 Coupe
- 2008-2013 (3.7L VQ37VHR)
Infiniti G37 Sedan
- 2009-2013 (3.7L VQ37VHR)
Infiniti Q40
- 2015 (3.7L VQ37VHR)
Most STRATEC SYSTEMSâ„¢ products are available for order and prepared for shipment as quickly as possible. However, due to high demand, certain titanium exhaust systems, downpipes, and carbon fiber components may require additional production time before shipping.
All STRATEC™ products are Final Sale. Orders cannot be returned, exchanged, or canceled once placed.
STRATEC Systems FAQ
WHO IS STRATEC SYSTEMS?
STRATEC Systems is an automotive performance brand focused on premium upgrades for exotic, European, and high-performance vehicles. Their product line includes exhaust systems, carbon fiber components, aerodynamic upgrades, steering components, and other performance-focused parts for platforms including BMW, Mercedes-AMG, Chevrolet Corvette, McLaren, Lamborghini, Ferrari, and others.
WHAT TYPES OF PRODUCTS DOES STRATEC OFFER?
STRATEC offers a broad range of performance and appearance upgrades. Depending on the vehicle, their catalog can include titanium and stainless steel exhaust systems, downpipes, midpipes, headers, carbon fiber aerodynamic components, body components, steering upgrades, and other specialty performance parts.
WHAT MATERIALS DOES STRATEC USE?
Materials vary by product. STRATEC uses materials such as titanium, 304 stainless steel, carbon fiber, prepreg carbon fiber, and other application-specific materials. Always refer to the individual product description for the exact construction and finish of the part being purchased.
ARE STRATEC PARTS VEHICLE SPECIFIC?
Many STRATEC products are engineered for specific vehicle platforms, model years, engines, or body styles. Some products may have broader or universal applications. Always verify the fitment information listed on the individual product page before ordering.
DO STRATEC EXHAUST SYSTEMS REQUIRE MODIFICATION?
Installation requirements depend on the specific exhaust system and vehicle. Many STRATEC systems are designed as direct-fit or bolt-on replacements, while certain applications may require transferring factory components, calibration, additional hardware, or other installation procedures. Refer to the individual product description for application-specific requirements.
HOW DO STRATEC VALVED EXHAUST SYSTEMS WORK?
On applicable systems, exhaust valves allow the vehicle to switch between a more controlled exhaust tone and a more aggressive sound profile. Operation varies by application. Some systems integrate with factory valve controls, while others may use application-specific valve hardware or controls. Check the individual product listing for details.
IS PROFESSIONAL INSTALLATION RECOMMENDED?
Yes. Professional installation is recommended for STRATEC performance, exhaust, carbon fiber, and aerodynamic components. Proper installation helps ensure correct fitment, alignment, clearance, valve operation where applicable, and protection of the component and vehicle.
DO CARBON FIBER PARTS REQUIRE TEST FITTING?
Yes. Carbon fiber and exterior body components should always be carefully test fitted before final installation. Vehicle tolerances, previous body work, mounting points, and component alignment can affect final fitment. Professional installation is strongly recommended for larger aerodynamic and body components.
ARE STRATEC PERFORMANCE PARTS STREET LEGAL?
Street legality and emissions compliance depend on the specific product, vehicle, and local regulations. Certain exhaust or emissions-related components may be intended for competition or off-road use only. Customers are responsible for confirming that a product is legal for use on their vehicle in their jurisdiction before installation.
HOW DO I MAKE SURE I ORDER THE CORRECT STRATEC PART?
Review the vehicle, chassis, engine, model year, body style, and any other fitment information listed on the product page. If there is any uncertainty, contact FI Performance before ordering so fitment can be reviewed for your specific vehicle.
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