SKU: 20682645256

AIRTEC Motorsport 3.5” Secondary Cat Bypass for BMW G80 M3 and G82 M4

Sale price$454.05 Regular price$504.50
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  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 3 - Aug 8

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Description

AIRTEC Motorsport 3.5” Secondary Cat Bypass for BMW G80 M3 and G82 M4By replacing the restrictive secondary catalytic converters located in the mid pipe section directly after the downpipes, back pressure is reduced, which effectively improves the engines breathing by allowing it to expel gases more quickly. This in return means faster throttle response, increased power output and a more aggressive exhaust note. Measuring 3. 5 in diameter, this direct replacement mid pipe offers improved flow over standard and comes

By replacing the restrictive secondary catalytic converters located in the mid-pipe section directly after the downpipes, back pressure is reduced, which effectively improves the engine’s breathing by allowing it to expel gases more quickly. This in return means faster throttle response, increased power output and a more aggressive exhaust note.

Measuring 3.5” in diameter, this direct replacement mid-pipe offers improved flow over standard and comes complete with a replacement exhaust brace and fitting kit, which will mate to original catalytic converters, aftermarket sports cats or aftermarket de-cats.

Will fit the following models:

•     BMW G80 M3 (left and right-hand drive)

•     BMW G82 M4 (left and right-hand drive)

Please note:

-     Sports cats are sold for motorsport and off road use only and may not pass a UK MOT test or police road side checks.

-     An ECU recalibration is required in order to ensure the EML is not illuminated.

Features:

•     Direct replacement part to fit both left and right-hand drive

•     Removes restrictive secondary catalytic converters and GPF

•     Made from high quality stainless-steel

•     Smooth bends to ensure increased flow

•     Fits standard cats, aftermarket sports cats or aftermarket de-cats

•     Comes complete with fitting kit

AIRTEC Part No: ATEXHBMW6

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: 20682645256

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Tasha
Bozeman, US
★★★★★ 5
Great paper and beginner friendly
Size: 8.5"x11"
I Really like using this A-Sub paper
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Reviewed in the United States on June 8, 2026
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Jon
Cuba, US
★★★★★ 4
Works
Size: 8.5"x11"
Works great for sublimation. Get plenty of sheets. Great value for the price. The paper is pretty thick and seems to hold a good amount of ink without smearing.
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Reviewed in the United States on April 9, 2026
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Miss Washington Creates
Omaha, US
★★★★★ 5
My go-to sublimation paper for crafting
Size: 8.5"x11"
I've used several sublimation papers, and this one has worked really well for my crafting projects. The colors transfer bright and vibrant, and the images come out crisp with good detail when using the proper sublimation printer and ink. The paper feeds smoothly through my printer and feels like a good quality weight—not too thin and not overly thick. I've used it for tumblers, keychains, and other sublimation projects, and I've been happy with the results. I also appreciate getting 110 sheets in one pack because it lasts a while, especially when working on multiple projects at once. Overall, this is a reliable sublimation paper that gives consistent results and is great for crafters or small business owners.
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Reviewed in the United States on May 31, 2026
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Apiffanie George
New York, US
★★★★★ 5
Great product, quality colors and vibrant prints
Color: 1BK/1C/1Y/1M
Best Sublimation Ink I have found so far. Great size bottles for the price you pay. Lasts a long time and the colors print great and when you press the print the colors come out BEAUTIFUL and VIBRANT! Dries quickly after printing so no worries on smudging but even after sitting over a month on the paper still presses like you printed it that day!
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Bel Anne Craft Studio
Fort Morgan, US
★★★★★ 5
Consistent, Vibrant Results That Match My Designs Perfectly
Color: 1BK/1C/1Y/1M
I’ve been consistently purchasing this Hiipoo sublimation ink for my sublimation printers, and I’ve been extremely pleased with the results. The print quality is excellent, with vibrant colors and clean transfers every time. What I really appreciate is how true the final product turns out compared to my original designs. The colors stay accurate, and the finished results look exactly the way I intended, which is very important for my projects and products. This ink has been reliable and consistent, and I will definitely continue using it for my sublimation work.
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Reviewed in the United States on April 30, 2026

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