SKU: 18258029808

Catalytic Converter for 2004-2005 Chevrolet Avalanche 2500 8.1L MagnaFlow 447274

Sale price$643.95 Regular price$715.50
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Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 24 - Jul 29

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Description

Catalytic Converter for 2004-2005 Chevrolet Avalanche 2500 8.1L MagnaFlow 447274Overview: Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct Fit Catalytic Converter 447274. 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

Overview:

Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 447274. 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 2004-2005 Chevrolet Suburban 2500 and 2004-2005 Chevrolet Avalanche 2500. The included gaskets & hardware reduce the possibility of a leaking seal while avoiding the need to reuse corroded factory parts for installation. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to be certified by CARB for legal use in CA/CARB restricted states for the listed vehicles.

Interchange:
Brand  Interchange Part Number

Application:

Year Make Model Submodel Engine Size
2004 - 2005 Chevrolet Avalanche 2500 8.1L/V8
2004 - 2005 Chevrolet Suburban 2500 8.1L/V8

Specs:

Body Material Stainless Steel
Material Stainless Steel
Overall Length (In.) 77.3
Substrate Material Ceramic
Air Tube Adaptable No
Converter Quantity 2
Inlet Attachment Bolt-On
Main Piping Diameter 3
Series California
Finish Stainless Steel
Oxygen Sensor Location Pre and Post Converter
Subtitle California / CARB Compliant
Title California Direct-Fit
Type Direct-Fit
Clamp Included Yes
Mounting Hardware Included Yes
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 18258029808

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4.4 ★★★★★
Based on 18 reviews
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Product Reviews
A
Verified Purchase
Amazoncustomer
Belleville, US
★★★★★ 5
Good quality
Style: Gloss Black Double Slats, Size: F30(2012-2018)
Great high quality upgrade that makes your car look so much better.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2026
A
Verified Purchase
Amazon Customer
Fort Morgan, US
★★★★★ 4
Use RTV to secure
Style: Gloss Black Double Slats, Size: E90(2009-2011)
Fitment is okay, the bottom clips of the grill don’t really “clip” in to the bumper. Old Amazon grills flew off since I only used double sided tape to secure them. I used black RTV to secure these ones and they ain’t flying off this time. Over all would buy again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 3, 2026
B
Verified Purchase
Bohdan Shlapak
Chelsea, US
★★★★★ 5
Great
Style: Gloss Black Double Slats, Size: F30(2012-2018), Style: Gloss Black Double Slats, Size: F30(2012-2018)
Look great
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 8, 2026
J
Verified Purchase
Juanaenae
Cuba, US
★★★★★ 5
Fitted perfectly
Style: Gloss Black Double Slats, Size: E46(1999-2002)2-Door
Fitted perfectly
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 28, 2026
L
Verified Purchase
Luis Olvera
Dallas, US
★★★★★ 5
Looks so dang good!
Style: Gloss Black Double Slats, Size: F30(2012-2018)
These look incredible and are a must have upgrade on every BMW F30. Super easy to install, just snaps into place!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 14, 2026

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