SKU: 25547400781

IE 3" Catted Downpipe - B8/B8.5 Audi | A4 | A5 | Q5 | 2.0 TFSI

Sale price$300.60 Regular price$334.00
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Ships within 48 hours · Estimated delivery Jul 31 - Aug 5

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Description

IE 3" Catted Downpipe - B8/B8.5 Audi | A4 | A5 | Q5 | 2.0 TFSIOVERVIEW IE B8 Audi 2. 0T 3" Catted Downpipe Add horsepower and take your B8 A4, A5, or Q5 to the next level with an IE High flow Downpipe and stage 2 ECU tune. The IE 3 inch stainless steel downpipe is comprised of only the best materials and quickly bolts on. It also uses a high flow performance catalytic converter that reduces unpleasant smells and cabin drone. VEHICLE FITMENT Audi A4 2009 2015 (B8 B8. 5) 2. 0T Audi A4 Allroad 2009 2015 (B8 B8. 5)

OVERVIEW


IE B8 Audi 2.0T 3" Catted Downpipe

Add horsepower and take your B8 A4, A5, or Q5 to the next level with an IE High-flow Downpipe and stage 2 ECU tune. The IE 3 inch stainless steel downpipe is comprised of only the best materials and quickly bolts on. It also uses a high-flow performance catalytic converter that reduces unpleasant smells and cabin drone.

VEHICLE FITMENT

Audi - A4 2009-2015 (B8/B8.5) 2.0T

Audi - A4 Allroad 2009-2015 (B8/B8.5) 2.0T

Audi - A5 2008-2015 (B8/B8.5) 2.0T
Audi - Q5 2009-2017 (8R) 2.0T

POWER GAINS

B8 & B8.5: Gains of approximately 25-30 HP & FT-LB over Stage 1 on Stage 2 IE ECU Tune/Software.

LEADING FEATURES

Substantial Power and torque gains - with matching IE ECU tune
Bolt-on system - mates to your stock turbo flange
1/16" thick 304 stainless steel piping - long lasting and worry-free performance
Thick turbo flange - 16mm flange prevents warping and leaks
High flow Cat - reduces emissions and unwanted smells
Interlock core tough flex section - allows engine movement without failing or cracking
3" to 60mm adapter - easily adapts to your stock exhaust system
All install hardware included - no last minute trips to the hardware store

HIGH-FLOW CATALYTIC CONVERTER

IE’s performance downpipe includes a high-flow 200 cell per inch metal matrix catalyst located as close to the turbo as possible. Metal matrix catalysts are higher performance because the matrix web is thinner, allowing higher flow in the same size. Our catalyst is also a very large diameter, allowing a large flow area and maximum power. By being placed close to the turbo, emissions and unwanted unpleasant smells are greatly reduced

DIRECT BOLT-ON DOWNPIPE WITH PERFECT FIT

The IE downpipe replaces the majority of the factory exhaust from the turbocharger all the way back to the factory exhaust just before the rear axles. The downpipe section includes a new mount bracket and utilizes the factory mount points along with a tough interlock core flex section, this allows engine and chassis movement without stressing or cracking your downpipe. Easily connect the downpipe and catted mid-pipe using the simple and strong v-band connection. Finally, the mid pipe mounts to the stock rear exhaust with the included 3" to 60mm slip-fit sleeve, or easily adapt it to your cat-back exhaust of choice. In-house digitally scanned and designed for an exact fit and includes all hardware to make the install easy and straightforward.

About Integrated Engineering: Merging decades of experience with hundreds of hours of prototyping, engineering, dyno testing and daily usage evaluation has output exhaust systems that are the ultimate compliment to your performance car. IE products are proudly engineered, designed, and manufactured in-house, in Salt Lake City USA.

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: 25547400781

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Excellent shirt! Comfortable and looks great! True to size, and light weight.
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Reviewed in the United States on March 22, 2026
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EFloyd
Louisville, US
★★★★★ 5
Great value for a nicely made suit that fits athletic builds
Size: Medium, Color: Black
I got this suit for my son whole has a very athletic build (wide shoulders, smaller waist) and we were having the worst time finding a suit that for him well without looking like he was wearing his dad’s oversized suit. This suit fit really well! The vest has a nice buckle I. The back that allowed us to tighten it and cinch in the waist to make it fit nicely under the jacket. The jacket fit well and with vents on both sides of the jacket it allows for movement (and since this is for a dance that was important!) and the jacket is well lined so the structure of the jacket is great. The suit isn’t a shiny polyester material but a nice blend. It does have to be dry cleaned. This is a really nice suit or the price and since ,y son is still growing I don’t want to spend a fortune on a suit, this one works perfectly together him through dance season and next year when he’s grown even more I’ll buy this one again for him to wear for next dance season!
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Reviewed in the United States on April 25, 2026
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Elite Mobile Yacht Services LLC
Lake Worth, US
★★★★★ 5
Quality
Size: Medium, Color: Navy Blue
I was completely satisfied with the quality of the fit, workmanship. Great price point and promptly ordered another one in a different color
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Reviewed in the United States on May 31, 2026
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Mrs. G
Los Angeles, US
★★★★★ 3
Way too big
Size: XX-Large, Color: Light Gray
Can't really speak to the quality of the suit as it was only tried on, but the look was nice enough. Purchased based on measurements and sizing guide and it was huge. Probably could have gone 2 sizes down but didn't have time to reorder in a different size so just returned. Ordered XXL for son who is 6ft and 220lbs. He wears a large to XL in most tops and a 33x34 in most jeans. Many reviews advised to size up. He was drowning in the XXL. Color was nice light gray.
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Reviewed in the United States on April 26, 2026
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Micah Poet
Carnegie, US
★★★★★ 5
I sized down
Size: Large, Color: Navy Blue
This suit fit very well! And looks very sharp. It looks great with or without the jacket. I had to size down from my normal large to a medium, but as someone who’s skinny tall, I’ve always wavered between medium and large.
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