GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02

GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02

GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02
Product Information
 price
$639.00
$766.80 Save: $127.80

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GMC Sierra 2500 HD

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GMC Sierra 2500 HD Catalytic Converter - Magnaflow - Direct Fit - `01-`02 free shipping

GMC Sierra 2500 HD Catalytic Converter - MagnaFlow - Direct Fit - `01-`02. This OEM-grade MagnaFlow direct-fit converter is built to replace the factory unit on 2001–2002 GMC Sierra 2500 HD models, matching fit and function for a straightforward replacement.

Engineered with a spun-body design and precision 3D-scanned fitment, this converter replicates OE geometry to reduce the risk of leaks and preserve exhaust flow. Constructed from corrosion-resistant stainless steel with mandrel-bent tubing, it offers durable service life and retains factory-like performance and fuel economy. Installation is simplified with included gaskets, hardware and OE-style hangers so no cutting or welding is required when installed correctly. It interchanges with OE part numbers 15077755 and 15729035.

Features

  • OEM-grade direct-fit design for 2001–2002 Sierra 2500 HD
  • Spun-body construction with single laser fusion weld to minimize leak points
  • Mandrel-bent stainless steel tubing for smooth exhaust flow
  • Includes gaskets & hardware; OE-sized barbed hangers
  • Designed to meet Federal EPA emissions requirements

If you have questions about fitment or installation, call us — our specialists can help you confirm compatibility and answer technical questions. We have installation and customization services available at both locations: Austin, Texas and the Los Angeles, California area. Call 512-982-9393 (TX) or 562-981-6800 (CA) to schedule service or get advice.

If you are considering purchasing multiple items, contact us for possible shipping discounts. We install on premises at both locations.

Disclaimer: Some images in our product listings that are provided by the manufacturer/ supplier are for illustration purposes only and may not be an exact representation of the item. The product listing details are accurate for the item offered. Please refer to the product description for precise specification and as always do not be hesitant to reach out to us with any questions.



CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

About Manufacturer

QUALITY. POWER. SOUND.

These words are not just the MagnaFlow slogan, its the philosophy that drives the company to superior quality products with the power and sound you’re looking for.


MagnaFlow got its start as a natural extension of Car Sound Exhaust, the parent company to MagnaFlow. Car Sound Exhaust specializes in superior catalytic converter and performance exhaust technology, and has been doing so for the past 35+ years, earning their reputation as an international market leader. In addition to the MagnaFlow brand, Car Sound Exhaust also represents Rumble and BRExhaust, further cementing the company as an industry leader in all areas of replacement and performance exhaust.

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Two locations to serve you

AUSTIN, TX

22108 SH 71 W.
Spicewood, TX 78669
512-982-9393
Mon-Fri: 9 AM - 6PM CST
Sat-Sun: Closed

LOS ANGELES, CA

2716 Dawson Ave.
Signal Hill, CA 90755
562-981-6800
Mon-Fri: 9 AM - 6PM PST
Sat-Sun: Closed