SKU: HS12LGSG3H
Invidia 2013-2015 Lexus GS350 Q300 Axle-Back Exhaust
The Invidia Q300 axle-back exhaust system HS12LGSG3H replaces factory mufflers on 2013-2015 Lexus GS350 Base and F Sport models. It improves exhaust flow and delivers a deeper aggressive tone while cutting backpressure for horsepower and torque increases. Crafted in Japan with precision engineering this bolt-on system installs without cutting or welding.
Key Features
- T304 Stainless Steel Piping: Corrosion-resistant construction ensures long-lasting durability and maintains performance in harsh conditions
- Mandrel-Bent 2.75-3 Inch Tubing: Smooth bends promote unrestricted exhaust flow for better engine breathing and response
- Q300 Single-Wall Design: Lightweight build reduces overall vehicle weight without sacrificing strength
- Dual 4 Inch Polished Angle-Cut Tips: Stylish rolled-edge finish adds a sporty rear appearance with a refined exhaust exit
- Direct Bolt-On Fitment: Engineered for 2013-2015 Lexus GS350 models with no cutting or welding required
Product Notes
- Designed for rear axle-back section only retains factory cat-back components upstream
- Produces a refined deep tone at idle that builds to aggressive growl under acceleration
- Ships fully assembled with all necessary hardware and gaskets
Installation Notes
- Professional installation recommended.
- Bolt-on design uses factory hangers and mounts for straightforward setup
- Requires basic tools like jack stands wrenches and penetrating oil for rusted factory bolts
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2013-2015 | Lexus | GS350 | Base |
| 2013-2015 | Lexus | GS350 | F Sport |
Why Choose Invidia?
- Japanese manufacturer with decades of exhaust expertise for luxury performance vehicles
- Uses premium T304 stainless steel throughout for reliable daily driving performance
- Precision mandrel bending and robotic welding deliver consistent fit and flow
Frequently Asked Questions
-
Q: Will this fit both Base and F Sport GS350 models?
A: Yes HS12LGSG3H fits 2013-2015 Lexus GS350 Base (GRL10) and F Sport (GRL11) sedans with identical rear exhaust mounting points -
Q: What material is used and what is the tip finish?
A: Full T304 stainless steel construction with polished 4 inch angle-cut tips for shine and durability -
Q: What is the warranty and install process?
A: Invidia offers a limited lifetime warranty on structural defects. Bolt-on install takes 1-2 hours with basic tools
Shipping & Handling
- Method: UPS or FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: Securely boxed at 40 x 14 x 14 inches
- Weight: 25.4 lbs
Catback
A catback exhaust system replaces everything from the catalytic converter back, covering the mid pipe, muffler, and tailpipe section in one bolt on upgrade. This collection covers catback systems for trucks, Jeeps, muscle cars, imports, and performance SUVs, giving you a straightforward way to improve sound, exhaust flow, and rear end styling without touching the factory catalytic converters or front pipe. Catback systems are available in stainless steel and titanium construction, with dual rear exit, single exit, and quad tip configurations, and a range of sound levels from mild touring tone to aggressive track character. Whether you want a deeper daily driver sound or a full track ready exhaust note, you will find a matched system for your platform here. What This Category Covers This collection includes complete catback exhaust systems, cat-back kits, dual rear exit systems, axle back adjacent catback upgrades, stainless steel and titanium exhaust systems, and street, tourin...
View Catback Products
Exhaust Systems
Performance exhaust systems for cars, trucks, SUVs, and Jeeps are stocked at Black Ops Auto Works. Shop cat-back systems, axle-back systems, turbo-back systems, headers, downpipes, mid-pipes, mufflers, resonators, catalytic converters, exhaust tips, exhaust valve controllers, oxygen sensors, exhaust brakes, and motorcycle and powersports exhausts for Mustang, Camaro, Challenger, Corvette, Silverado, and Super Duty platforms. Every product is filterable by exhaust position, material, pipe diameter, and vehicle year, make, model, and trim so the correct fitment ships the first time. Black Ops Auto Works carries 7,441 exhaust SKUs across every position of the exhaust system. What This Category Covers Exhaust upgrades change sound, appearance, and in some cases power. Exhaust fitment depends on engine, drivetrain, and factory exit position, so confirm the exact platform before ordering any exhaust component. Exhaust Position Cat-back, axle-back, turbo-back, and header-back systems e...
View Exhaust Systems Products
Invidia
Invidia for Subaru WRX, STI, BRZ, Honda Civic and Type R, Mitsubishi EVO, Nissan 350Z, Toyota GR Corolla, Supra, GT-R, and Volkswagen GTI builds are stocked at Black Ops Auto Works. Shop N1, Q300, R400, Gemini, cat-back, axle-back, front pipe, downpipe, J-pipe, and mid-pipe exhaust components. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 221 Invidia SKUs across vehicle-specific performance categories. About Invidia Invidia focuses on vehicle-specific stainless steel and titanium exhaust systems for Japanese and import sport platforms. Its catalog covers refined street sound and aggressive track-inspired options, with proven applications for turbocharged Subaru, Honda, Mitsubishi, Nissan, Toyota, and Volkswagen vehicles. Vehicle-Specific Selection Use the application details on each listing to narrow the selection to the exact platform. Product availability and specifications ...
View Invidia Products


