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If you’re looking to keep that pesky check engine light off and maintain your ride’s performance, the MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 551903 is worth a look. I’ve had my hands on this piece, and let me tell you, it’s built solid. The stainless steel construction is not just for show; it’s highly resistant to corrosion, which is a big plus if you live in an area where the roads are treated with salt in winter.
The installation process is a breeze, too. You won’t need to break out the cutting torch or welding gear—just grab the right tools, and you can do it yourself. It’s designed for a direct fit, specifically for the 2012-2015 Buick LaCrosse. MagnaFlow really nailed the fitment with their advanced 3D scanning technology, so you can trust that it’ll slide right into place like it was meant to be there.
One thing that stands out is the spun body design. This isn’t just a fancy term; it means that the converter is made with precision and durability in mind. The mandrel-bent tubing allows for smooth exhaust flow, which translates to better thermal efficiency. Plus, the single laser fusion weld minimizes the chance of leaks, an issue that can haunt you with lesser products. You’ll also find OEM-like O2 port locations, which is a nice touch for those who care about performance.
And if you’re in California or any CARB-restricted state, you’re covered. This catalytic converter has been through rigorous testing to meet California emissions standards, so you can drive with peace of mind knowing you’re staying compliant.
When you order this converter, you’ll get a couple of flange gaskets included, which means you won’t have to worry about reusing old, corroded parts that could lead to leaks. Here’s a quick rundown of the specs: it measures about 15.5 inches in overall length, with a ceramic substrate material that’s designed to last.
In summary, if you’re looking for a reliable, easy-to-install catalytic converter that’s built to last and keeps your vehicle compliant with emissions standards, the MagnaFlow 551903 is a solid choice. It’s specifically made for your Buick LaCrosse 3.6L from 2012 to 2015, so you know it’s going to fit just right.
Other Part Numbers:
MagnaFlow #mag551903
Proposition 65
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
| Vehicle Make/Model | Year | Trims |
|---|---|---|
| Buick LaCrosse | 2012 | Convenience |
| Buick LaCrosse | 2012-2015 | Leather |
| Buick LaCrosse | 2012-2015 | Premium |
| Buick LaCrosse | 2012-2013 | CXS |
| Buick LaCrosse | 2012-2013 | Touring |
| Buick LaCrosse | 2012-2015 | Base |
Discover MagnaFlow: The Leader in Performance Exhaust Systems
When it comes to performance exhaust systems, MagnaFlow stands out as a premier brand known for its commitment to quality, performance, and innovation. Established in 1981, MagnaFlow has built a legacy of crafting exhaust products that enhance the sound and performance of vehicles. With decades of experience in the automotive industry, they have become synonymous with high-performance parts that car enthusiasts trust.
History of MagnaFlow: A Legacy of ExcellenceMagnaFlow began its journey in a small garage, driven by a passion for performance and a desire to create superior exhaust systems. Over the years, they have expanded their product line to include a wide variety of exhaust systems, catalytic converters, and mufflers, catering to both street and off-road vehicles. Their dedication to research and development has allowed them to stay ahead of the curve, continually innovating to meet the demands of modern automotive technology.
Categories of Parts Offered by MagnaFlowMagnaFlow is renowned for its extensive range of products, including:
- Performance Exhaust Systems
- Cat-Back Exhaust Systems
- Universal Mufflers
- High-Performance Catalytic Converters
- Exhaust Tips and Accessories
Each product is designed with precision engineering to improve exhaust flow, enhance horsepower, and provide an aggressive sound that resonates with car enthusiasts. Whether you drive a muscle car, truck, or SUV, MagnaFlow has the perfect solution to elevate your vehicle's performance.
What Makes MagnaFlow the Best Choice?What sets MagnaFlow apart from other brands is their unwavering commitment to quality and performance. Each exhaust system is constructed using durable materials, ensuring longevity and reliability. Additionally, MagnaFlow exhaust systems are rigorously tested to guarantee superior sound and performance, making them a favorite among racers and everyday drivers alike.
At Vivid Racing, we are proud to offer a wide selection of MagnaFlow products. Upgrade your vehicle today and experience the difference that MagnaFlow can make in your driving experience!
PERFORMANCE EXHAUST PRODUCTS WARRANTY
The manufacturer warrants that all MagnaFlow Performance Products are free from defects. Most of our exhaust products are warranted against blowouts and defects in material and workmanship for as long as the original purchaser owns the vehicle on which it was originally installed. The warranty is void if the exhaust products are not installed properly on the vehicle for which it is designed.
This warranty does not apply to any exhaust product which has been installed on any commercial or racing vehicle or which has been improperly installed, altered, or subjected to misuse or damage from accidents. Also, cost of labor and any additional parts required to complete installation of a replacement product are not covered by this warranty.
The warranty certificate, along with proof of purchase, MUST be presented to the service outlet from which you originally purchased the exhaust product, or any participating dealer, when making a claim for replacement. The original exhaust product must also be returned and exchanged for a new exhaust product of the same part number.
No other warranty, expressed or implied (including merchantability), applies to the exhaust product, nor is any person or the manufacturer authorized to assume any other warranty. The manufacturer does not assume any responsibility for any consequential damages occurred by the exhaust product, or inconvenience or interruption in any operation.
This warranty gives you specific legal rights, and you may also have other rights which vary from state to state.
Original Warranty Certificate and Installation Statement:
To be completely filled out by installer and returned to manufacturer. Include dealer name, complete address and phone number. Include customer name, complete address and phone number. Vehicle make, year, model, engine size, mileage and date must be filled out. The part number installed must be filled out. The Installation Statement must be completed by installer, stating the reason for replacement. Vehicle owner and installer must sign and date the Warranty Certificate /Installation Statement.
Catalytic Converter Warranty Statement Installer's Copy:
To be retained by Installer with copy of the invoice for six (6) months.
Customer's Copy:
To be retained by the vehicle owner.
Catalytic Converters are emission control devices which are designed to last the life of the vehicle and do not normally require replacement. Furthermore, if the vehicle is properly used and maintained, original converters are covered by the emission control warranty for 8 years or 80,000 miles. Federal law prohibits repair businesses from replacing these devices except under certain limited circumstances. In order to verify that proper circumstances exist, the owner of the vehicle on which such repairs are made and a facility representative must sign the required statements on the warranty card. To avoid failing a warranty audit, please follow the instructions to ensure the new cards are filled out correctly and distributed accordingly.
MOTORCYCLE PRODUCTS WARRANTY
MagnaFlow motorcycle exhaust products, including Arlen Ness by MagnaFlow exhaust systems, are warranted against defects in material and/or assembly workmanship only for a period of 1 year from invoice date. This Warranty is void if the Product is not installed properly on the vehicle for which it is designed. This Warranty does not apply to any Product which has been installed on any commercial or racing vehicle or which has been improperly installed, modified, altered or subjected to misuse or damage from accidents; including excessive heat. Also, cost of labor and any additional parts or components required to complete installation of a replacement Product are not covered by this Warranty; including coatings, paints and/or finishes, flaws or rust. MagnaFlow including Arlen Ness by MagnaFlow exhaust systems are designed to fit and operate on original OEM motors and chassis with no modifications of any type on the motorcycle.
Proof of purchase from an authorized retailer must accompany any warranty claim. The original Product that is deemed to be under warranty may only be returned and/or exchanged for a Product of the same part number. No other warranty, expressed or implied (including merchantability), applies to the Products, nor is any person including the manufacturer authorized to assume any other warranty. Dealers and distributors are not authorized to make warranty judgments or claims regarding MagnaFlow products. The manufacturer does not assume any responsibility for any consequential damages occasioned by the Product, or inconvenience or interruption in any operation, service or shipping. All approved warranty returns must be accompanied by a return authorization number. Parts returned to MagnaFlow without a return authorization and accompanying documentation may be refused. No parts will be accepted with freight due.
This warranty gives you specific legal rights. You may also have other rights which may vary from State to State. Some States do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation or exclusion may not apply to you.
The warranties set forth herein are exclusive and, unless otherwise required by applicable law, no other warranties are made by MagnaFlow or are authorized to be made with respect to the Product.
The manufacturer warrants that all MagnaFlow Performance Products are free from defects. Most of our exhaust products are warranted against blowouts and defects in material and workmanship for as long as the original purchaser owns the vehicle on which it was originally installed. The warranty is void if the exhaust products are not installed properly on the vehicle for which it is designed.
This warranty does not apply to any exhaust product which has been installed on any commercial or racing vehicle or which has been improperly installed, altered, or subjected to misuse or damage from accidents. Also, cost of labor and any additional parts required to complete installation of a replacement product are not covered by this warranty.
The warranty certificate, along with proof of purchase, MUST be presented to the service outlet from which you originally purchased the exhaust product, or any participating dealer, when making a claim for replacement. The original exhaust product must also be returned and exchanged for a new exhaust product of the same part number.
No other warranty, expressed or implied (including merchantability), applies to the exhaust product, nor is any person or the manufacturer authorized to assume any other warranty. The manufacturer does not assume any responsibility for any consequential damages occurred by the exhaust product, or inconvenience or interruption in any operation.
This warranty gives you specific legal rights, and you may also have other rights which vary from state to state.
- Stainless Steel Systems: Limited Lifetime Warranty against Manufacturing Defects
- Black Finish Systems: 1 Year Warranty on Black Finish, Limited Lifetime Warranty against Manufacturing Defects
- Titanium Finish Systems: 1 Year Warranty on Titanium Finish, Limited Lifetime Warranty against Manufacturing Defects
- Carbon Fiber Systems: Limited Lifetime Warranty against Manufacturing Defects on Stainless Steel, No Warranty on Carbon Fiber
- Aluminized Systems: 1 Year Limited Warranty
- Stainless Steel Mufflers: Limited Lifetime Warranty against Manufacturing Defects
Original Warranty Certificate and Installation Statement:
To be completely filled out by installer and returned to manufacturer. Include dealer name, complete address and phone number. Include customer name, complete address and phone number. Vehicle make, year, model, engine size, mileage and date must be filled out. The part number installed must be filled out. The Installation Statement must be completed by installer, stating the reason for replacement. Vehicle owner and installer must sign and date the Warranty Certificate /Installation Statement.
Catalytic Converter Warranty Statement Installer's Copy:
To be retained by Installer with copy of the invoice for six (6) months.
Customer's Copy:
To be retained by the vehicle owner.
Catalytic Converters are emission control devices which are designed to last the life of the vehicle and do not normally require replacement. Furthermore, if the vehicle is properly used and maintained, original converters are covered by the emission control warranty for 8 years or 80,000 miles. Federal law prohibits repair businesses from replacing these devices except under certain limited circumstances. In order to verify that proper circumstances exist, the owner of the vehicle on which such repairs are made and a facility representative must sign the required statements on the warranty card. To avoid failing a warranty audit, please follow the instructions to ensure the new cards are filled out correctly and distributed accordingly.
MOTORCYCLE PRODUCTS WARRANTY
MagnaFlow motorcycle exhaust products, including Arlen Ness by MagnaFlow exhaust systems, are warranted against defects in material and/or assembly workmanship only for a period of 1 year from invoice date. This Warranty is void if the Product is not installed properly on the vehicle for which it is designed. This Warranty does not apply to any Product which has been installed on any commercial or racing vehicle or which has been improperly installed, modified, altered or subjected to misuse or damage from accidents; including excessive heat. Also, cost of labor and any additional parts or components required to complete installation of a replacement Product are not covered by this Warranty; including coatings, paints and/or finishes, flaws or rust. MagnaFlow including Arlen Ness by MagnaFlow exhaust systems are designed to fit and operate on original OEM motors and chassis with no modifications of any type on the motorcycle.
Proof of purchase from an authorized retailer must accompany any warranty claim. The original Product that is deemed to be under warranty may only be returned and/or exchanged for a Product of the same part number. No other warranty, expressed or implied (including merchantability), applies to the Products, nor is any person including the manufacturer authorized to assume any other warranty. Dealers and distributors are not authorized to make warranty judgments or claims regarding MagnaFlow products. The manufacturer does not assume any responsibility for any consequential damages occasioned by the Product, or inconvenience or interruption in any operation, service or shipping. All approved warranty returns must be accompanied by a return authorization number. Parts returned to MagnaFlow without a return authorization and accompanying documentation may be refused. No parts will be accepted with freight due.
This warranty gives you specific legal rights. You may also have other rights which may vary from State to State. Some States do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation or exclusion may not apply to you.
The warranties set forth herein are exclusive and, unless otherwise required by applicable law, no other warranties are made by MagnaFlow or are authorized to be made with respect to the Product.
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