SKU: 58344090170

2004 Buick Rainier 5.3L Direct-Fit Catalytic Converter 4451172 Magnaflow

Sale price$1397.70 Regular price$1553.00
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Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 31 - Aug 5

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Description

2004 Buick Rainier 5.3L Direct-Fit Catalytic Converter 4451172 MagnaflowOverview: Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct Fit Catalytic Converter 4451172. 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 4451172. 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 Buick Rainier, 2004 Chevrolet Trailblazer EXT, and additional vehicles. 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 Buick Rainier 5.3L/V8
2004 Chevrolet Trailblazer EXT 5.3L/V8
2004 GMC Envoy XL 5.3L/V8
2004 Isuzu Ascender 5.3L/V8

Specs:

Finish Stainless Steel
Type Direct-Fit
Material Stainless Steel
Title California Direct-Fit
Subtitle California / CARB Compliant
Series California
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: 58344090170

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4.9 ★★★★★
Based on 22 reviews
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Product Reviews
S
Verified Purchase
Sheyla Lopez
Waukegan, US
★★★★★ 5
Great Interactive Dog Toy!
Color: Red
My dog absolutely loves this interactive ball! The material feels durable and stands up well to chewing. The bouncing and moving action keeps my dog entertained and active for long periods of time. It’s also easy to recharge and the size is perfect for medium to large dogs. So far, it has worked great and seems built to last. I highly recommend it to anyone looking for a fun and engaging toy for their pet! 🐶🐾
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 13, 2026
T
Verified Purchase
Tom O'Hotto
Draper, US
★★★★★ 1
Not Golden Retriever Proof
Color: Red
My Golden Retriever destroyed this ball within a couple hours of receiving it. Turned my back for a minute and she had it open and chewed on the internal part wrecking the charging port. Then proceeded to rip chunks off of the outer part. This is a great idea but maybe make it more difficult to open. BTW, my dog loved the ball when it was functioning properly.
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Reviewed in the United States on January 24, 2026
T
Verified Purchase
Tasha Gilbert
Charlottesville, US
★★★★★ 5
Great Interactive Toy
Color: Blue
This toy is amazing for keeping my dog entertained and active! The movement feature really grabs my dog’s attention, and he loves chasing and playing with it. It is strong and durable, and the design is very cute. It’s also great for preventing boredom, especially when my dog has extra energy. The battery lasts a good amount of time and it was very easy to set up. My dog plays with it every day and hasn’t gotten tired of it. I highly recommend this toy to anyone who wants a fun and interactive way to keep their dog happy and busy!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 1, 2026
M
Verified Purchase
Michelle S.
Houston, US
★★★★★ 5
Worth every cent
Color: Blue
My dog has chewed through so many heavy chewers toys but he loves this ball and he has not tried to bite through it. Keeps him busy 15-20 minutes
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Reviewed in the United States on June 9, 2026
B
Verified Purchase
BB
Bozeman, US
★★★★★ 4
Pricey otherwise enjoyable
Color: Red
Ball is made of a durable type material kinda like a foam only not chewable, at least not yet Very entertaining and has a whining noise, it does bounce a little bit and moves somewhat when nudged by dog. Bouncy. Not a very high bounce so it keeps close to ground. The ball was fully charged when it arrived and has entertained her for about an hour now that she has settled down so it did what I hoped it would do, to keep herself busy to the point of being tired. At best I would not leave this lying around for heavy chewing use only for entertainment or play time.
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Reviewed in the United States on December 28, 2025

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