SKU: 42021849070

Integrated Engineering Midpipe Exhaust Upgrade - Audi / B9 / B9.5 / S4 / S5 / 3.0T

Sale price$518.01 Regular price$575.57
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Description

Integrated Engineering Midpipe Exhaust Upgrade - Audi / B9 / B9.5 / S4 / S5 / 3.0TLEADING FEATURES IE midpipes for B9 S4 & S5 deliver aggressive sound, quality finish, reliable operation, straightforward install, and affordable fun. Engineered for enhanced engine sound High flow design deletes resonators TIG welded 304 stainless steel Reliable leak free flex sections Easy to install with minimal tools Full kit includes all hardware and clamps Bolt in install, no cutting or welding required 63. 5mm OD 60. 25mm ID WHAT ARE MIDPIPES?


LEADING FEATURES


IE midpipes for B9 S4 & S5 deliver aggressive sound, quality finish, reliable operation, straightforward install, and affordable fun.

  • Engineered for enhanced engine sound
  • High-flow design deletes resonators
  • TIG-welded 304 stainless steel
  • Reliable leak-free flex sections
  • Easy to install with minimal tools
  • Full kit includes all hardware and clamps
  • Bolt-in install, no cutting or welding required
  • 63.5mm OD / 60.25mm ID

WHAT ARE MIDPIPES?

Located between the downpipe outlets and center resonator, midpipes make up roughly 12 feet of factory tubing and two large resonators. Upgrading this section removes the resonators and ultimately frees up the middle of the exhaust system improving flow and exhaust notes.

This helpful diagram splits the factory exhaust into sections as an example to simplify the system.

QUALITY CONSTRUCTION

IE midpipes are manufactured from high-quality 304 stainless steel tubing. This material is premium for exhaust systems and provides lighter weight and superior corrosion resistance. Enjoy the trouble-free and long-life operation of your exhaust system upgrade.

PERFECT FIT

This perfectly crafted exhaust upgrade exceeds even the factory fit. IE engineers take extra steps with advanced 3D scanning technology and rapid prototyping to design these exhaust parts with exacting alignments without any interference or rubbing.

RELIABLE FLEX SECTIONS

It's all in the details. Typical aftermarket flex sections found on many cheaper exhaust parts are the primary failure point, causing annoying leaks and performance issues. Our OE quality TIG-welded and liner reinforced flex sections are incredibly resilient to splitting or cracking for complete reliability.

MIDPIPE SOUND RESULTS

The S4 & S5 3.0T engine is an absolute powerhouse capable of delivering tons of power and driver enjoyment; unfortunately, the factory exhaust is full of resonators and mufflers to silence the fun. IE's midpipes are an affordable solution that modifies the stock exhaust system by removing factory resonators and replacing them with high-quality straight pipes resulting in a much-improved exhaust note.

DIAL IN YOUR EXHAUST

With IE's Midpipes and downpipe upgrades, you can replace individual sections or variations of the exhaust to dial the volume to your preference.

STOCK MIDPIPES ONLY DOWNPIPE ONLY MIDPIPES + DOWNPIPE

BORING

SPORTY

SPORTY

AGGRESSIVE

3D model of IE midpipes and downpipe upgrades combined

DOWNPIPE UPGRADE

Adding IE midpipes to your stock exhaust system is perfect for daily drivers looking for a noticeably increased exhaust note without attracting too much attention. Combine your IE Midpipes with an IE Downpipe upgrade for a more aggressive motorsport sound, and let that turbocharged V6 scream!

IE Downpipe requires Stage 2 ECU tuning. No changes in tuning are required for midpipes only.



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: 42021849070

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Verified Purchase
Anne
Draper, US
★★★★★ 5
As expected
Very sturdy toy
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Reviewed in the United States on May 11, 2026
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z01011010z
San Leandro, US
★★★★★ 5
Time will tell
My dog can chew through anything so I didn't have high hopes but she is obsessed with this thing and it's really held up so far. She hasn't had it long, but it's looking good. It's already outlasted her other chews so I count that as a win. My only concern is that it could be too hard, and she might crack a tooth. I only let her have it when I'm there to supervise and if she gets a little too aggressive with it, I take it away for a while. We got this because my mom's dog has had one that's lasted a few months and he is another super-chewer that goes through toys like they're nothing. So, if you're looking for something that seems to hold it's own against a toy-destroying power chewer, this one is worth the price. It does have a fairly strong bacon smell at first (that will cling to your hands if you handle it), but that fades pretty quickly once it's out of the box.
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Reviewed in the United States on April 14, 2023
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Verified Purchase
Clorista
Chelsea, US
★★★★★ 4
Still standing
My one dog is a super chewer but the other has more delicate jaws and tends to be susceptible to hurting herself on some of his more sturdy toys. I grabbed this on a whim because it looked a bit narrower (good for my girl) but still sturdy (good for my boy and my furniture). First of it was definitely what I was hoping for in size. While sturdy it is still thin enough that my girl doesn't hurt herself when she inevitably runs away with it when the other dog isn't looking. However, it did take both dogs a good deal of coaxing to take an interest. Eventually I ended up hitting the toy with some gravy from their food before they really wanted anything to do with it. Whatever the scent of the toy is it clearly wasnt enough motivation for either of them. (Hence the four stars) but the gravy worked as an attractant for my dogs at least. And now for durability. It's extremely sturdy. Despite the rocky start it is now one of my boys go too toys when he gets to pick something to play with. My girl likes it but it is certainly more his toy then hers. Which is good because his jaws are insanely destructive and so far this toy is holding up far better then the other two I purchased at the same time, and as it's one of his favorites it's not from lack of use! Over all this toy is great if you have a super chewed and/or a dog with thinner jaws who need a good quiet time toy. If your dog isn't as instantly curious as you'd like I recommend some sort of attractant.
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Reviewed in the United States on August 28, 2023
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Nelcy Sanchez
Charlottesville, US
★★★★★ 5
Greatly enjoyed the toy
Rambo really love it. Great chew toy for dogs that love to chew/tear up most toys of their 🧸 toys.
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Reviewed in the United States on May 3, 2026
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Susan Collin
Belleville, US
★★★★★ 5
Great buy!
My large dog has been chewing on it for months. She loves it and it’s almost indestructible!
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Reviewed in the United States on April 16, 2026

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