# MagnaFlow Direct Fit Catalytic Converter California Grade 96-99 GM K/C 1500/2500 5.0L V8/4.3L V6

Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 4451457. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun body converter yourself using the proper tools, no cutting or welding required. MagnaFlow's state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE spun body design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This direct-fit catalytic converter is designed to fit the 1996-1999 Chevrolet C1500, 1996-1999 Chevrolet K1500, and additional vehicles. Hardware is included to eliminate the hassle of working with corroded factory parts. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.

-   Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
-   Mandrel bent tubing retains OEM-like design and geometry, ensuring smooth exhaust flow for peak fuel economy and engine operation
-   OE-sized barbed exhaust hangers made from corrosion-resistant 410 stainless steel, designed to reduce noise and vibration
-   Torca AccuSeal® Exhaust Clamps Provide A Full 360-Degree Equally Distributed Clamping Force Preventing Pipe Distortion
-   Mandrel Bent Tubing Retains OEM-Like Design And Geometry; Ensuring Smooth Exhaust Flow For Peak Fuel Economy Operation
-   High Strength 16 Gauge 409 Stainless Steel Tubing For Exceptional Corrosion Resistance And Maximum Service Life
-   Expertly Crafted To Replicate OEM Like Flow Dynamics; Maintaining Factory Performance And Fuel Efficiency
-   Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency
-   Your Trusted Source For CARB-Compliant Catalytic Converters; Providing Assurance Of Genuine Compliance
-   Precision Stamped Collector Design For Optimal Exhaust Flow; Engine Efficiency And Fuel Economy
-   Simplifies installation with essential gaskets and hardware being included in the box
-   Simplifies Installation w/Essential Gaskets And Hardware Being Included In The Box
-   Durable 308 stainless steel MIG welds

This Part Fits:

Year

Make

Model

Submodel

1996-1997

Chevrolet

C1500

Base

1996-1998

Chevrolet

C1500

Cheyenne

1999

Chevrolet

C1500

LS

1996-1998

Chevrolet

C1500

Silverado

1996-1998

Chevrolet

C1500

WT

1996-1997

Chevrolet

C2500

Base

1996-1998

Chevrolet

C2500

Cheyenne

1996-1998

Chevrolet

C2500

Silverado

1998

Chevrolet

C2500

WT

1996-1997

Chevrolet

K1500

Base

1996-1998

Chevrolet

K1500

Cheyenne

1999

Chevrolet

K1500

LS

1996-1998

Chevrolet

K1500

Silverado

1996-1998

Chevrolet

K1500

WT

1998

Chevrolet

K2500

Cheyenne

1998

Chevrolet

K2500

Silverado

1998

Chevrolet

K2500

WT

1997

GMC

C1500

Sierra GT

1996-1999

GMC

C1500

Sierra SL

1996-1999

GMC

C1500

Sierra SLE

1996-1999

GMC

C1500

Sierra SLT

1996-1998

GMC

C1500

Sierra Special

1996-1997

GMC

C2500

Sierra SL

1996-1997

GMC

C2500

Sierra SLE

1996-1997

GMC

C2500

Sierra SLT

1996-1999

GMC

K1500

Sierra SL

1996-1999

GMC

K1500

Sierra SLE

1996-1999

GMC

K1500

Sierra SLT

1996-1998

GMC

K1500

Sierra Special

1998

GMC

K2500

Sierra SL

1998

GMC

K2500

Sierra SLE

1998

GMC

K2500

Sierra SLT

## Details

- **Price:** 1792.84 CAD
- **Vendor:** Magnaflow
- **Type:** Catalytic Converter Direct Fit

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1792.84 CAD | In stock |

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/magnaflow-direct-fit-catalytic-converter-california-grade-96-99-gm-k-c-1500-2500-5-0l-v8-4-3l-v6)
> Updated: 2026-06-29