Stainless Works RTCMM GESi High Flow Catalytic Converter 3"
The Stainless Works RTCMM GESi High Flow Catalytic Converter is one of the highest-flowing and most durable catalytic converters available on the market. Constructed from premium 304 stainless steel for maximum corrosion resistance, this converter features a high-flow metal matrix 200-cell design with a 9 gm/cubic ft precious metal load. With a compact 10-3/4" overall length and 4" body diameter, it offers excellent flow characteristics while maintaining efficient emissions control. The 3" ID inlet and 3" OD outlet make it a perfect fit for most 3-inch exhaust systems. Backed by a 2-year limited lifetime warranty, this converter is ideal for performance builds, custom exhausts, and vehicles requiring high-flow exhaust components.
Key Features
- 304 Stainless Steel Construction – Maximum corrosion resistance and durability
- GESi High Flow Design – 200-cell metal matrix with 9 gm/cubic ft load for superior flow
- Compact Size – 10-3/4" overall length with 4" body diameter
- 3" Inlet/Outlet – 3" ID inlet and 3" OD outlet for easy fitment
- High Performance – One of the highest flowing catalytic converters available
- 2-Year Limited Lifetime Warranty – Backed by Stainless Works quality assurance
Specifications
| Detail | Value |
|---|---|
| Brand | Stainless Works |
| Type | GESi High Flow Catalytic Converter |
| Material | 304 Stainless Steel |
| Cell Count | 200 Cell Metal Matrix |
| Precious Metal Load | 9 gm/cubic ft |
| Overall Length | 10-3/4 inches |
| Body Diameter | 4 inches |
| Inlet | 3" ID |
| Outlet | 3" OD |
| Country of Origin | United States |
| Warranty | 2-Year Limited Lifetime Warranty |
Whats Included
- Stainless Works GESi High Flow Catalytic Converter
Product Notes
- One of the highest flowing catalytic converters on the market
- Ideal for performance exhaust systems and custom builds
- Professional installation recommended
This Part Fits
| Application | Notes |
|---|---|
| Universal 3" Exhaust Systems | Compatible with most 3-inch exhaust systems |
| Performance & Custom Builds | Ideal for high-performance and modified vehicles |
Why Choose Stainless Works Catalytic Converters?
- Premium 304 stainless steel construction for maximum durability
- High-flow GESi metal matrix design for superior performance
- Excellent emissions control without sacrificing flow
- Trusted by performance builders and enthusiasts
Frequently Asked Questions
- Q: What size exhaust does this converter fit?
- A: It has a 3" ID inlet and 3" OD outlet, making it compatible with most 3-inch exhaust systems.
- Q: Is this a high-flow catalytic converter?
- A: Yes, it features a 200-cell GESi metal matrix design and is considered one of the highest flowing converters available.
- Q: Does it come with a warranty?
- A: Yes, it includes a 2-year limited lifetime warranty.
Shipping & Handling
- Method: Ground UPS or FedEx
- Availability: In stock – ships same or next business day
- Packaging: Secure Stainless Works retail packaging
Catalytic Converter Direct Fit
Shop Catalytic Converters by Brand and Vehicle Application Browse premium direct fit catalytic converters at Black Ops Auto Works, including high-quality replacement and performance-focused options for a wide range of cars, trucks, SUVs, and performance vehicles. This collection is built for customers searching for direct fit catalytic converters, OEM-style catalytic converter replacements, high-flow catalytic converters, and vehicle-specific emissions components that support fitment, reliability, and exhaust performance. We carry catalytic converter products and related exhaust components from trusted brands found in our catalog, including MagnaFlow, Solo Performance, Stainless Works, aFe Power, and Fabspeed. Direct Fit Catalytic Converters for Easy Installation Direct fit catalytic converters are designed to match factory-style mounting points and simplify installation compared to universal-fit options. This collection is ideal for customers looking for: Direct fit catalytic conv...
View Catalytic Converter Direct Fit Products
Exhaust Systems
Black Ops Auto Works carries one of the largest selections of performance exhaust systems available online, with 7,700+ products covering cat-back exhausts, axle-back exhausts, turbo-back systems, downpipes, headers, mid-pipes, X-pipes, H-pipes, mufflers, resonators, catalytic converters, exhaust tips, and every component in between. Whether you're building a street car, a daily driver, a diesel truck, or a track build, the right exhaust upgrade is here. Shop by Exhaust System Type Cat-Back Exhaust Systems: The most popular performance exhaust upgrade. Replaces everything from the catalytic converter back for improved sound, better flow, and premium tip styling. Available in single exit, dual exit, and quad exit configurations. Axle-Back Exhaust Systems: A simpler bolt-on that replaces the rear section from the axle back. Best for drivers who want an improved exhaust note and cleaner tip appearance without a full system swap. Headers and Manifolds: Long tube headers and shorty h...
View Exhaust Systems Products
Stainless Works
Shop premium Stainless Works exhaust systems, long tube headers, cat-back exhausts, axle-back exhaust components, downpipes, high-flow catalytic converters, mufflers, exhaust tips, X-pipes, Y-pipes, tubing, flanges, collectors, adapters, and exhaust fabrication parts at Black Ops Auto Works. Stainless Works is a trusted performance exhaust brand known for American-made exhaust products built for sound, fitment, durability, corrosion resistance, and horsepower gains across cars, trucks, SUVs, muscle cars, off-road builds, and custom performance projects. Shop Stainless Works Headers, Exhaust Systems & Exhaust Components This collection includes popular Stainless Works product categories such as: Stainless Works long tube headers Stainless Works cat-back exhaust systems Stainless Works axle-back exhaust components Stainless Works downpipes Stainless Works high-flow catalytic converters Stainless Works mufflers and resonators Stainless Works exhaust tips Stainless Works X-pipes, Y...
View Stainless Works Products


