Bull Boost Performance
Performance Titanium Stainless Steel Catback Exhaust System for Infiniti G37 Q40 3.7L
Performance Titanium Stainless Steel Catback Exhaust System for Infiniti G37 Q40 3.7L
Couldn't load pickup availability
Experience complete control over your Infiniti G37's sound and performance with the STRATEC™ 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 STRATEC™ 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 SYSTEMS™ 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.
Shipping & Returns
Shipping & Returns
Shipping on most orders in 24-48 hours special orders can be 2-3 days. Returns see Returns Policy.
We have a 30-day return policy on most products, which means you have 30 days after receiving your item to request a return. Some products carry a longer manufacture warranty please contact us if you have questions about items.
To be eligible for a return, your item must be in the same condition that you received it, unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.
To start a return, you can contact us at overthehilltractor@gmail.com. Please note that returns will need to be sent to the following address: 2005 Stuarts Draft Hwy, Stuarts Draft, VA 24477
If your return is accepted at damage or defective, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.
If your return is due to no longer needed, wrong size order, ordered by mistake, found better pricing, etc the customer is responsible for the return shipping cost.
Any item returned over $50 cost we suggest insurance on package.
You can always contact us for any return question at overthehilltractor@gmail.com.
Damages and issues
Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, we can only give 72 hours from time package is scanned delivered to accept claims. Please contact within 72 hours of delivery so that we can evaluate the issue and make it right.
Exceptions / non-returnable items
Certain types of items cannot be returned, like fuel related items due to hazardous materials shipping regulations. We also do not accept returns for hazardous materials, flammable liquids, or gases. Please get in touch if you have questions or concerns about your specific item.
Electrical parts can only be returned if new and in original condition, Used electrical parts are not returnable unless actually defective, contact us with details.
Unfortunately, we cannot accept returns on sale items or gift cards.
Refunds
We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method within 10 business days. Please remember it can take some time for your bank or credit card company to process and post the refund too.
If more than 15 business days have passed since we’ve approved your return, please contact us at overthehilltractor@gmail.com.
Most items are covered by 30 day warranty, Fuel Related parts are only covered against actually manufacture defect since the fuel produced today breaks down gaskets and seals quickly. Electrical parts can only be returned if new and in original condition, Used electrical parts are not returnable unless actually defective, contact us with details. Returns are handled on each individual item, some items will not require return for refund just that customer submit picture of proof of issue. Please contact us with questions about returns.
-
Free Shipping
Free shipping on orders over $150
-