Information Density: Integrated Engineering – Signal Evidence & AI Readability

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[H2] Find Your Car:

Select Make

Audi
Porsche
VW

Select Series

Select Model

[IMG: VW GTI]

[H3] VW GTI
2021+ (MK8)

[IMG: VW GOLF R]

[H3] VW GOLF R
2021+ (MK8)

[IMG: AUDI S4]

[H3] AUDI S4
2017-2024 (B9)

[IMG: AUDI A4]

[H3] AUDI A4
2017-2024 (B9)

[IMG: VW GTI]

[H3] VW GTI
2015-2020 (MK7)

[IMG: VW GOLF R]

[H3] VW GOLF R
2015-2020 (MK7)

[IMG: Car 6]

[H4] FIND YOURCAR

[H2]
THE THRILLOF THE RIDE LIVES

We’re stirring the pot with automotive ingenuity that turns heads and raises heartbeats. Wherever you go, this is your journey. We help you pull out all the stops.

[H3]
You’re in the driver’s seat.
When you’re ready for the next thrill, our seamless upgrades make it easy.

shop now

shop now

[H2] Sweat the small stuff.
Showing off? 100% we are. Style flex is part of the experience.

upgrade

[H3]
No looking in the rearview mirror.
It’s foot to the floor and eyes on the horizon.Our upgrades will energize your driving experience.

get started

get started

makes a fun SUV even more fun! good power easy to install.
— Joel K.

The additional torque and horsepower is addicting. Everyday driving feels tighter and more efficient, too. ...
— Steve R.

This company offers quality products and an excellent customer service. 10/10
— Manuel J.

I love the ability to tune from my phone and the interface is just good. The connection was quick and stabl...
— Tyler C.

This Air intake is a game changer in the way it sounds and it feels good. Easy to install and fit perfectly.
— Dmitriy B.

The transmission response alone makes this tune incredible for daily driving. Every shift feels intentional...
— Louis V.

Great fit and great performance. Fairly easy to install…
— Derek M.

Purchased the stage 1 tune and it has really brought my car to another level. It was quick and easy.
— Frank K.

This tune is sick, and to think it's only Stage 1! Instant gratification and instant smiles! This tune is a...
— Kevin M.

Tune really wakes the car up. I feel like this is the best tune option for a modern tuner.
— Tyler C.

Customer service is 100/10, and of course my car pulls even harder now
— Christian

Guys, keep doing what your doing!! Always happy with a smile ear to ear doing pulls!
— Derrick O.

Your feedback
fuels us!
Leave Review

air intake is a must. its sound awesome- like I have a supercharged turbo. strongly recommend to bring you ...
— Dmitriy B.

They knocked it out of the park with this one. Install is fairly straight forward, and is quick.
— Ellery

My mk7 GTI drives so much better and is so much more alive thanks to IE
— John D.

Definitely opened up the sounds and noises. Easy install. Fits great. Looks good.
— Donavan F.

Fit is superb, quality is spot on, and the instructions are easy to follow. It sounds great-couldn't ask fo...
— Justin B.

I was expecting something great but what I got was far beyond expectations. Thank you team!
— Gyl A.

[H3] It Runs in our blood
When you grow up to the sound of roaring race car engines, it gets in your blood and your spirit. Brothers Peter and David Blais harnessed their obsession with driving and reshaped it into Integrated Engineering to share their love of DIY modding with the world.
Learn More

new

MK8 EVERYTHING!

The upgrades you crave for your 2021+ Golf R or GTI with seamless integration from front to back!

buy now

new

MK7 GOLF R CATBACK

Add a deep growl without the drone and a style that demands attention.

buy now

[H3] WE GOT YOU.
If we’ve heard it more than once, you’ll probably find it in our FAQs. Or if it’s something more specific, there’s the Mod Gurus, our motorheads with the big brains.
Let's Connect

[IMG: IE Performance Cold Air Intake Systems]

AIR INTAKE KITS

[IMG: DRIVETRAIN COMPONENTS]

DRIVETRAIN COMPONENTS

[IMG: IE Performance Audi & VW Engine Tuning]

ECU TUNING BY INTEGRATED ENGINEERING

[IMG: VW AUDI ENGINE ACCESSORIES]

ENGINE ACCESSORIES

[IMG: VW AUDI ENGINE INTERNALS]

ENGINE BUILD PARTS

[IMG: IE Audi VW Exhaust Systems]

EXHAUST SYSTEMS

[IMG: VW AUDI FUELING SOLUTIONS]

FUELING SOLUTIONS

[IMG: IE MERCHANDISE]

IE GEAR

[IMG: IE Performance Intake Manifolds]

INTEGRATED ENGINEERING INTAKE MANIFOLDS

[IMG: VW AUDI PERFORMANCE INTERCOOELRS]

INTERCOOLER SYSTEMS

[IMG: POWER KITS]

POWER KITS

[IMG: VW AUDI TURBO SUPERCHARGER UPGRADES]

TURBO & SUPERCHARGER UPGRADES

[IMG: SUSPENSION UPGRADES]

SUSPENSION UPGRADES

[H1] HELP CENTER
[H2] HELP CENTER
[H2] HELP CENTER
[H2] HAVE MORE QUESTIONS?
[H2] HAVE QUESTIONS?
Fill out my online form.
[H2] STILL NEED SUPPORT?
WORKING HOURS7am - 4pm MDT (Mountain Daylight Time)
WORKING DAYSMonday - Friday (closed most holidays)
GIVE US A CALL+1 (801) 484-2021
[H2] FREQUENTLY ASKED QUESTIONS
Order confirmation emails are automatically sent when the order is placed. After the order ships, you will also receive an email that includes tracking information. If you do not receive these emails, please check your spam folder. You can always contact us by using the contact form below to have these re-sent.
Orders placed on the IE website begin processing immediately during business hours and in stock items ship within 1-2 business days. Expedited shipping must be placed on a business day before 12pm MST for same-day shipment. Business days are Monday through Friday and exclude holidays.
IE accepts returns on any product ordered from performancebyie.com within 45 days. Product must be returned in new condition and in original packaging. All returns are subject to a 10% restocking fee. Orders placed through an IE distributor must be returned to the distributor and are subject to their return policy. All returns or exchanges must be returned with an RMA number or will not be accepted. To begin the return process and receive an RMA, fill out the contact form above and include your original IE order number. Click here to read our full Return Policy.
If you have received an email stating one or more of your items are out of stock then your order status will be set to backorder and will be shipped as soon as the product is back in stock. The IE team works hard to notify all customers about backordered products and to provide estimated ship dates. However, estimated ship dates are not guaranteed and may change at any time. If you need to change your order because of a backorder, please contact support by using the contact form below.
IE does not offer any coupon codes or discounts outside of official sale events. Sale events take place only a few times a year and not all products will be included in each sale. Upcoming sales are not announced ahead of time. To find out about sales as soon as possible sign up to our email newsletter and social media pages such as Facebook and Instagram.
IE sale events can not be combined or stacked with other active discount codes, special promotions, or offers. Promotional discounts are available only during the sale window and can not be applied after the sale event or retroactively used to refund any previously placed orders. If a product you recently purchased is on promotion you can return your order and repurchase during the sale, however, your order must meet our return policy and is still subject to a 10% restocking fee.
IE ships worldwide and is happy to supply our line of performance products internationally. If you are trying to place an order on performancebyie.com and there is no shipping option available, please visit our dealer locator to buy through a distributor or use the contact form below to contact our sales team.
International orders can be complicated in many ways and there are a couple things to be aware of before placing an order. Firstly, IE will not lower invoice values to reduce import duties associated with your order. Secondly, import duties are the responsibility of the customer and must be paid by the customer.
At this time IE does not offer any product installs, custom builds, maintenance, or mechanical work. If you are interested in those services, please visit our Dealer Locator to find an authorized dealer or install shop near you.
[H2] STILL NEED SUPPORT?
WORKING HOURS7am - 4pm MST
WORKING DAYSMonday - Friday (closed most holidays)
GIVE US A CALL+1 (801) 484-2021
[H2] FREQUENTLY ASKED QUESTIONS:
Order confirmation emails are automatically sent when the order is placed. After the order ships, you will also receive an email that includes tracking information. If you do not receive these emails, please check your spam folder. You can always contact us by using the contact form below to have these re-sent.
Orders placed on the IE website begin processing immediately during business hours and in stock items ship within 1-2 business days. Expedited shipping must be placed on a business day before 12pm MST for same-day shipment. Business days are Monday through Friday and exclude holidays.
IE accepts returns on any product ordered from performancebyie.com within 45 days. Product must be returned in new condition and in original packaging. All returns are subject to a 10% restocking fee. Orders placed through an IE distributor must be returned to the distributor and are subject to their return policy. All returns or exchanges must be returned with an RMA number or will not be accepted. To begin the return process and receive an RMA, fill out the contact form above and include your original IE order number. Click here to read our full Return Policy.
If you have received an email stating one or more of your items are out of stock then your order status will be set to backorder and will be shipped as soon as the product is back in stock. The IE team works hard to notify all customers about backordered products and to provide estimated ship dates. However, estimated ship dates are not guaranteed and may change at any time. If you need to change your order because of a backorder, please contact support by using the contact form below.
IE does not offer any coupon codes or discounts outside of official sale events. Sale events take place only a few times a year and not all products will be included in each sale. Upcoming sales are not announced ahead of time. To find out about sales as soon as possible sign up to our email newsletter and social media pages such as Facebook and Instagram.
IE sale events can not be combined or stacked with other active discount codes, special promotions, or offers. Promotional discounts are available only during the sale window and can not be applied after the sale event or retroactively used to refund any previously placed orders. If a product you recently purchased is on promotion you can return your order and repurchase during the sale, however, your order must meet our return policy and is still subject to a 10% restocking fee.
IE ships worldwide and is happy to supply our line of performance products internationally. If you are trying to place an order on performancebyie.com and there is no shipping option available, please visit our dealer locator to buy through a distributor or use the contact form below to contact our sales team.
International orders can be complicated in many ways and there are a couple things to be aware of before placing an order. Firstly, IE will not lower invoice values to reduce import duties associated with your order. Secondly, import duties are the responsibility of the customer and must be paid by the customer.
At this time IE does not offer any product installs, custom builds, maintenance, or mechanical work. If you are interested in those services, please visit our Dealer Locator to find an authorized dealer or install shop near you.
IE get's a lot of sponsorship request, it's important that we work with influencers that reflect the IE brand positively on an established online or racing platform. If that sounds like you, visit our Sponsorship Page to apply.
Order confirmation emails are automatically sent when the order is placed. After the order ships, you will also receive an email that includes tracking information. If you do not receive these emails, please check your spam folder. You can always contact us by using the contact form below to have these re-sent.
Orders placed on the IE website begin processing immediately during business hours and in stock items ship within 1-2 business days. Expedited shipping must be placed on a business day before 12pm MST for same-day shipment. Business days are Monday through Friday and exclude holidays.
IE accepts returns on any product ordered from performancebyie.com within 45 days. Product must be returned in new condition and in original packaging. All returns are subject to a 10% restocking fee. Orders placed through an IE distributor must be returned to the distributor and are subject to their return policy. All returns or exchanges must be returned with an RMA number or will not be accepted. To begin the return process and receive an RMA, fill out the contact form above and include your original IE order number. Click here to read our full Return Policy.
If you have received an email stating one or more of your items are out of stock then your order status will be set to backorder and will be shipped as soon as the product is back in stock. The IE team works hard to notify all customers about backordered products and to provide estimated ship dates. However, estimated ship dates are not guaranteed and may change at any time. If you need to change your order because of a backorder, please contact support by using the contact form below.
IE does not offer any coupon codes or discounts outside of official sale events. Sale events take place only a few times a year and not all products will be included in each sale. Upcoming sales are not announced ahead of time. To find out about sales as soon as possible sign up to our email newsletter and social media pages such as Facebook and Instagram.
IE sale events can not be combined or stacked with other active discount codes, special promotions, or offers. Promotional discounts are available only during the sale window and can not be applied after the sale event or retroactively used to refund any previously placed orders. If a product you recently purchased is on promotion you can return your order and repurchase during the sale, however, your order must meet our return policy and is still subject to a 10% restocking fee.
IE ships worldwide and is happy to supply our line of performance products internationally. If you are trying to place an order on performancebyie.com and there is no shipping option available, please visit our dealer locator to buy through a distributor or use the contact form below to contact our sales team.
International orders can be complicated in many ways and there are a couple things to be aware of before placing an order. Firstly, IE will not lower invoice values to reduce import duties associated with your order. Secondly, import duties are the responsibility of the customer and must be paid by the customer.
At this time IE does not offer any product installs, custom builds, maintenance, or mechanical work. If you are interested in those services, please visit our Dealer Locator to find an authorized dealer or install shop near you.
[H2] STILL NEED SUPPORT?
WORKING HOURS HOURS7am - 4pm MST
WORKING DAYSMonday - Friday (closed most holidays)
GIVE US A CALL+1 (801) 484-2021

[H2] Set your MK8 Free

Time to unleash those hidden horses in your 2021+ GTI/R, give that engine some room to breathe and find your outside voice. If you’re just getting started, we’ll ride shotgun and point you in the right direction. If you know what you’re looking for, dive in below.

[IMG: TUNING]

ECU/TCU TUNE
[H3] EASY POWER

BUY NOW
GOLF R
GTI

[IMG: INTAKE]

AIR INTAKE
[H3] BREATHE DEEP
BUY NOW

[IMG: CATBACK]

CATBACK EXHAUST
[H3] SAY RAWWRRR

BUY NOW
GOLF R
GTI

[IMG: INTERCOOLER]

INTERCOOLER
[H3] CATCH HORSE THIEVES
BUY NOW

[IMG: SUSPENSION]

SUSPENSION
[H3] CARVE CORNERS

BUY NOW
GOLF R
GTI

[IMG: DOWNPIPE]

PROCORE DOWNPIPE
[H3] SAY IT LOUDLY
BUY NOW

[IMG: TURBO CHARGE PIPE]

TURBO CHARGE PIPE
[H3] FLOW WITH THE GO
BUY NOW

[H2]
Hop on in. We’ll show you around

ECU/TCU Tune
[H3] UNLEASH HIDDEN HORSES
It’s plug-and-play with iE Performance Engine & Transmission Tuning. With a few taps and swipes on your mobile phone, you can add massive power and acceleration gains to your car using our POWERlink technology. Stock car friendly or take the next step with upgraded hardware and matching tune stages.

BUY NOW
GOLF R
GTI

Air Intake
[H3] The Science of Breathing

Breathe new life into your engine with iE’s cold air intake system. 67% more flow than stock delivers more torque (13ft-lbs) and more horsepower (up to 15WHP). Motorsport features will take your breath away.
LEARN MORE

GOLF R

GTI

CATBACK EXHAUST
[H3] OPEN UP AND SAY Rawwrrr
iE Catback Exhaust System with Drone Trap technology puts that monotone hum on mute and replaces it with deep rumbles at low revs and mighty roars at high RPMs. Choose “subtle” mode when you want to play the strong, silent type, or flip to “rowdy” mode for the ultimate exhaust rumble.

INTERCOOLER
[H3] COOLER HEADS PREVAIL
If you can’t stand the heat, you need an iE intercooler system with our proprietary FDS design. Dollar-for-dollar, this packs the most boost of any engine upgrade by reducing air intake temps and combating heat soak.
LEARN MORE

SUSPENSION
[H3] One good turn deserves
another and another…
iE Lowering Springs, Sway Bars, and End Links are built for aggressive, responsive driving. These parts have been track-tested (AKA punished) by our engineers for reliability, performance, versatility, style and maximum fun.

[IMG: LOWERING SPRINGS]

[H3] LOWERING SPRINGS

BUY NOW
GOLF R
GTI

[IMG: REAR SWAY BAR]

[H3] REAR SWAY BAR

BUY NOW
GOLF R
GTI

[IMG: FRONT SWAY BAR]

[H3] FRONT SWAY BAR

BUY NOW
GOLF R
GTI

[IMG: REAR SWAY BAR END LINKS]

[H3] END LINKS
BUY NOW

PROCORE DOWNPIPE
[H3] TURN IT UP
Freedom of the open road gets a new walk-up song. Upgrade to iE ProCore Downpipe for increased flow and power without the check engine light. Pair it with our Catback Exhaust System and you’ll be saying plenty without a single word.
LEARN MORE

Turbo outlet pipe
[H3] More flow for more go
Check pulse. Check breathing. Open airway. Call 911! We’re starting CPR! Bendy pipes can kill airflow. Our turbo outlet pipe is made from aluminum for durability. Unlike plastic stock pipes, we’ve simplified the profile with fewer pinches and bends to keep airways open.
LEARN MORE

What a difference with the IE Intercooler! Can't go wrong purchasing any IE Part. Great workmanship!
— George

iE is a great company to deal with. They know their stuff and...wait for it, THEY ANSWER THE PHONE!
— Thomas

5 Stars - Significantly better: sound, temps, and power band.
— Lexi

Your feedback
fuels us!
Leave Review

I find myself smiling a lot more on the high-speed curves.
— Fredo

Just tuned my MK8R with Stage 1 and holy smokes. Acceleration and responsiveness are out of this world.
— Matt

Immediate handling improvements…
— Kevin

A steal for how much I enjoy driving the thing now.
— Jaden

[H2] You might not need it,but you know you want it

WASHER CAP

SMOOTH HATCH

SHOP GEAR

[H3] WE GOT YOU.
If we’ve heard it more than once, you’ll probably find it in our FAQs. Or if it’s something more specific, there’s the Mod Gurus, our motorheads with the big brains.
Let's Connect