SKU: 39461608581

Catalytic Converter for OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter MagnaFlow 52257

$554.40 $616.00
Save 10%
No.2 Bestseller on watersyst.com >

Pay in installments of $154.00 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 21 - Aug 26

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

Catalytic Converter for OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter MagnaFlow 52257Overview: Keep the check engine light off with MagnaFlow OEM Grade Federal EPA Compliant Direct Fit Catalytic Converter 52257. 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 OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 52257. 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. Designed to fit the 2012-2016 BMW 328i, 2013-2016 BMW 328i xDrive, and more, this direct-fit catalytic converter also interchanges with OE part 18 30 7 607 665. Hardware is included to eliminate the hassle of working with corroded factory parts.

Note : Not For Sale in California

Interchange:

Brand  Interchange Part Number
BMW 18 30 7 607 665
BMW 18307607665
BMW 18 30 7 607 665
BMW 18307607665

Application:

Year Make Model Submodel Engine Size
2012 - 2016 BMW 328i 2L/L4
2014 - 2016 BMW 428i xDrive 2L/L4
2014 - 2016 BMW 428i 2L/L4
2014 - 2016 BMW 228i 2L/L4
2015 - 2016 BMW 228i xDrive 2L/L4
2015 - 2016 BMW 328i GT xDrive 2L/L4
2013 - 2016 BMW 328i xDrive 2L/L4
2015 - 2016 BMW 428i Gran Coupe 2L/L4
2015 - 2016 BMW 428i xDrive Gran Coupe 2L/L4

Specs:

Material Stainless Steel
Series OEM Grade
Subtitle Federal / EPA Compliant
Title OEM Grade Direct-Fit
Type Direct-Fit
Body Material Stainless Steel
Overall Length (In.) 18.75
Substrate Material Ceramic
Air Tube Adaptable No
Converter Quantity 1
Inlet Attachment Clamp-On
Main Piping Diameter (In.) 3.75
Outlet Attachment Clamp-On
Oxygen Sensor Location Pre Converter and Midbed
Finish Stainless Steel
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: 39461608581

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.6 ★★★★★
Based on 6 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
J
Verified Purchase
Jimmy the Weasel
Fort Morgan, US
★★★★★ 5
Sturdy bags
Style: White Pine Breeze, Size: 50 Count (Pack of 1)
Great bags. Sturdy and a great fit. Same quality as their 39 gallon bags.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 28, 2026
H
Verified Purchase
hope parrish
Chelsea, US
★★★★★ 4
Good heavy duty trash bags.
Style: White Pine Breeze, Size: 50 Count (Pack of 1)
Perfect size trash bags. Wish that the strings that ties is more durable. Everything is great. Thickness good. Mess free. Stable. Good value for money.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 11, 2026
M
Verified Purchase
Morris G
Natrona Heights, US
★★★★★ 5
TAKE THE TRASH OUT !
Style: White Pine Breeze, Size: 50 Count (Pack of 1)
I recently bought the Hefty Ultra Strong 30 Gallon Trash Bags and I am thoroughly impressed with their performance. These bags are perfect for handling heavy loads and tough trash, making them ideal for both household and industrial use. The 30-gallon size is perfect for larger trash cans, and the drawstring closure is incredibly convenient. It allows for easy tying and carrying, without worrying about the bag breaking or ripping. The drawstring also ensures that the bag stays securely in place in the trash can. The black color is great for concealing the contents, and the White Pine Breeze scent adds a pleasant touch that helps neutralize odors. The scent isn't overpowering but does a good job of keeping unpleasant smells at bay. These bags are truly break-resistant, leak-proof, and puncture-resistant. I've used them for a variety of tasks, from yard work to cleaning out the garage, and they have held up beautifully without tearing or leaking. The strength and durability of these bags are evident, even with heavy and sharp objects inside. Overall, the Hefty Ultra Strong Trash Bags are an excellent choice for anyone looking for reliable and durable trash bags. They offer great value for the price, and their performance has exceeded my expectations. Highly recommended for anyone needing a strong, dependable trash bag!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 23, 2024
H
Verified Purchase
Holly Lee Henry
Fort Morgan, US
★★★★★ 5
Pine scented trash... Nice!
Style: White Pine Breeze, Size: 50 Count (Pack of 1)
Definitely one of my top preferred trash bags. The pine scent is nice, the trash bags are huge, and they're extremely durable.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 22, 2026
J
Verified Purchase
Joshelift
Houston, US
★★★★★ 5
Perfect for garage and kitchen
Package Size Name: Super, Size: 81 sheet (Pack of 12), Package Size Name: Super, Size: 81 sheet (Pack of 12)
These are easy the toughest paper towels that I have use so far. I have been using these for years and they are the best. I love the quality because they feel more like cloths than paper towels that are thin. They are great when cleaning up tough messes in the kitchen or garage. This is the perfect size thickness but yet light enough to handle perfect. These soak up water and messes like a sponge and hold them tight. As you can see these are bright white and I have them in the open on my kitchen counter and it blends in just fine especially for decorating. I have been using these paper towels for years now and the these really are a great value for your money especially if you clean up a lot. The quality is also perfect because each roll last me for about 3 weeks and I use them everyday for various messes. These are also easy to tear into small sheets with ease. They are tough enough to hold together and not just fall apart it easy enough to tear alone the seems. Each roll will last you a good enough long time which makes cutting down on cost easy. I buy the 6 pack and they last me for about 4-5 months. So I love the quantity. I would say these are a bit more expensive than the generic brands but they are worth it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 6, 2026

recommand products

Dr-M B008-1 (Xl) Elast.Waist Support
86.00
Cyclogest 400Mg Pessaries 15'S
75.00
Beurer Lb88 Air Humidifier
414.50
Curaprox Enzycal Toothpaste 75Ml Blue
29.00
Dr.Med Elastic Lumbo Sacral Support B009 Medium
129.00