Mk4 gti intake

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Best Upgrades for your VW MK4 GTI 1.8T

The Volkswagen MK4 GTI with the 1.8T engine is one of the most commonly modified platforms available. Thanks to its availability, affordability, and the aftermarket support offered for this engine, it’s more of a question of where to start rather than what to do. Everyone knows bolt-on upgrades paired with a software tune are the fastest ways to add power, but what are enthusiasts running in their cars? Where should new enthusiasts spend their money to get the most enjoyment possible out of their MK4 GTI? Today, we’re looking specifically at upgrades we think every MK4 GTI 1.8T owner should have.

Intake

It’s an age-old question and one we’ve previously answered: should I spend money on a cold air intake? The answer, in short, is yes, but there is a caveat. If you’re just looking to spend money, then you could arguably get more bang for your buck making your MK4 GTI perfect rather than just dumping money at a single upgrade. However, if you have plans to make your 1.8T into a respectable power source, then you’ll need an upgraded intake. Think of it as future-proofing your engine. Our Luft-Technik intake system for your MK4 GTI does add some power out of the box, but the majority of an upgraded intake’s benefits happen when you pair it with other upgrades. If you follow everything on the rest of this list, an intake is a must. If you just want to make one or two upgrades, you’re better off with coilovers and wheels.

Downpipe

Again, one single upgrade isn’t going to turn your MK4 GTI into a different car. The idea is to have a plan and know the steps to reach that goal. Upgrading your downpipe and exhaust with a higher-flowing, better performing, and less restrictive system is going to allow you to have room to grow. Again, you’ll notice some improvement to sound and performance after the installation, but it’s just a piece of the puzzle in terms of overall potential. Something like the CTS Turbo 3” high-flow downpipe and catalytic converter will help you reach your goals. An intake, downpipe, and catalytic converter upgrade are necessary to make the next two improvements on our list.

K04 Turbocharger

The factory K03 turbocharger is anything but impressive. It becomes a serious restriction point if you need something to support more than about 215hp, as that’s all it can handle. The bigger K04 turbocharger offers more air delivery and supports a higher horsepower ceiling. If you’re going to go for as much as you can with bolt-on upgrades, we’d consider this a necessity. We’ve put together a comprehensive K04 Turbocharger installation kit for your MK4 GTI to help you out. Now, it doesn’t necessarily require a software tune, but to make the most of the K04 turbocharger upgrade for your MK4 GTI 1.8T, you’ll want to upgrade your software as well. You should do the intake, downpipe, K04 turbo, and software upgrade at the same time.

Software Tune

There used to be off-the-shelf solutions for the basic upgrades mentioned so far on the list, but with recent EPA crackdowns, many have been pulled. The APR Stage 2+ software was the go-to upgrade for years, but those are no longer available. Existing APR customers can still go with the K04 software tune upgrade we offer, but that doesn’t help you if you don’t already have APR software, to begin with. APR Stage 1 software is still available, but it isn’t designed to work with the bigger turbo. Now, you’ll need to go to a pro-tuner and have them remap your ECU. Honestly, this is the best option anyway because it will optimize your specific engine rather than offer a blanket solution for every 1.8T with these upgrades. It won’t be any more expensive, but you’ll have to find a local tuning shop or one in driving distance to make this happen. Sorry!

Ignition System

With more horsepower and boost from the upgraded K04, intake, downpipe, and exhaust, you’ll want to make sure your ignition spark stays consistent under those heavier loads. To prevent misfires under high boost, a popular retrofit is the beefier 2.0T ignition system. Not much to it here, just more future-proofing. Our 2.0T coil pack conversion kit for your MK4 GTI 1.8T has everything you need to make the switch.

Intercooler

Last on the list of actual engine performance upgrades is a bigger and more capable front mount intercooler. The intercooler sits between the turbocharger’s compressor (cold side) and the throttle body. Air that is compressed becomes hotter, thanks to all that molecular friction, and therefore resists density. The benefit of a turbo is that it can compress more air into the same volume, but it is optimally efficient when that air can be cooled after it has been compressed. Cold air is denser than warm air, which means you can pack even more in a confined space. More air means more fuel, more fuel means a bigger explosion, and that all equals more power. To effectively cool what your K04 turbocharger can supply, a bigger FMIC is needed. We suggest the CT Turbo FMIC kit that’s rated to 450hp. You won’t be nearing that horsepower mark with just these bolt-ons, but this will give you room to grow as you chart your own path from here.

Short Shift Kit

It’s not going to give you any more power or make your MK4 GTI any faster, but one of the first upgrades we always suggest is an adjustable short shift kit. We produce one of the only options on the market that allows you to tailor the feeling and shift throws to your liking for the best possible driving experience. Having a more engaging shifter feeling translates directly to driving enjoyment and will help keep your shifts nice and crisp while banging through the gears. Since the gear shifter is where you engage with your MK4, it makes perfect sense to upgrade it with something direct and responsive. That’s where our MK4 GTI adjustable short shift kit comes into play.

Coilovers

To handle upgraded power, you’ll need capable suspension. The original MK4 suspension is somewhat of a weak point, as we covered in our common MK4 problems article, and should be replaced anyway. Upgrading to something like ECS Street System Coilovers will give you the lowered look, better handling, and more connected feeling you want without breaking the bank. They aren’t what we’d call ‘track suspension’ by any means, but they offer a good entry point into the world of adjustable coilovers. It will give you room to learn suspension tuning and find what works for you rather than have you spending a ton of money for something you may not need or going with lowering springs only to find you need to upgrade everything else and might as well have gone with an entry set of coilovers off the bat.

Skid plate

Lastly, with a lowered ride height and things to protect under your car, a skid plate is a must. You can always go with a stamped steel oil pan to protect that part of the engine that becomes exposed, but everything else will be left to fend for themselves. We suggest our Steel Skid Plate for total coverage. It replaces the factory belly pan (that’s probably missing by now anyway) with a protective aluminum skid plate ready to help save your oil pan, fluid lines, intercooler, exhaust, and more from road hazards, bridge connections, and anything else that might pose a danger to your lowered MK4.

Wrapping Up

With that, we feel this is the entry a budding enthusiast needs to make their MK4 somewhat respectable on the front end. Much of what is on this list includes an element of maintenance. In an effort to be as efficient as possible, the idea is to maximize the effects of your investment. Once you have some decent power, delivered reliably, you’ll have a good platform to be creative. If you were having trouble deciding where to spend your money on your MK4 GTI, this is where we’d do it.

Sours: https://blog.ecstuning.com/best-upgrades-for-your-vw-mk4-gti-1-8t/

Products

Our unique two-piece modular intake manifold has been designed to be a bolt-on replacement for the anemic OEM unit, incorporating a removable plenum lid that not only allows for easy disassembly, porting, and plenum volume changes but can also be rotated to position the throttle body on either the driver or passenger side of the engine bay.

The Grams Performance & Design 1.8T intake manifold is the perfect addition to a lightly modified street build as well as high horsepower builds with turbo upgrades!

• Modular 2pc. Design w/ Removable Plenum
• Rotatable Plenum Allows Driver-side or Passenger-Side Throttle Body Mounting
• 1.85L Plenum Volume
• Tapered High-Velocity Runners w/ Raised Velocity Stack Entries
• Generously Cast Runner Walls for Porting
• 72mm Throttle Body Opening
• Lightweight 356 Aluminum Alloy Construction
• Large Port Configuration
• Hi-Grade Mounting Hardware
• Thermal Gasket Included

• Note: The cylinder heads are stamped with the three-letter engine code on the front corner, near the #1 cylinder.If your stock manifold is stamped with AEB or AGU, this will not fit.

  • 2000 - 2006 Audi TT (1.8T)
  • 1999 - 2002 Volkswagen Beetle (1.8T)
  • 2001 - 2006 Volkswagen Golf (1.8T)
  • 2000 - 2005 Volkswagen Jetta (1.8T)

Vehicle Fits:
1996 - 2003 Audi A3/S3 (8L) - 1.8T (180HP & 225HP)
1998 - 2006 Audi TT (8N) - 1.8T (180HP & 225HP)
1999 - 2005 Volkswagen Golf / GLI / GTI / Jetta / New Beetle (MKIV) - 1.8T


Available Options:
• Small Port Manifold
• Grams 70mm DBW Throttle Body - Requires Modified Throttle Body Hose



US Patent No.: D673,978

Sours: https://gramsperformance.com/g07-09-0205.html
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Performance air intake RAMAIR for Volkswagen MK4 Golf & Bora 2,3l V5

 

Ramair SR induction kits are designed to eliminate the major sources of air flow restriction that your vehicle experiences from the factory intake system. Ramair guarantees that by replacing your restrictive OEM intake system with an aftermarket Ramair component you will see an increase in power and throttle response.

The CC filters supplied with our SR kits are made from our twin core Ramair Aeriform foam and T304 stainless steel cage which is used in many of our tier 1 Motorsport applications for maximum strength. The filters are designed to achieve high, almost unrestricted air flow while maintaining filtration levels critical to ensure the longevity of your engine.

Induction Kit Features:

  • High Performance ‘MAF Safe’ Twin layer dry foam
  • Comes complete with all clips/brackets/bolts etc required to fit
  • Easy to clean using hot soapy water
  • T304 Stainless steel cage support structure
  • Guaranteed surface area using high quality custom blended polymer
  • 100% Hand made in the UK – Guaranteed against manufacturing defects for life
  • Replaces the restrictive OEM air box

Ramair is an English manufacturer of sports air components with more than 30 years of experience. Since 1981, their innovation, creativity and quality have been used in various motor sport sectors such as Formula 1, DTM, WRC and others. Ramair filters are designed and manufactured for a very diverse range of applications. They are available in a variety of sizes and shapes, whether universal or in-line, as a replacement for OEM filters. Each product is composed of an internal stainless cage and a quality double-layer foam.

 

Application: 

VOLKSWAGEN GOLF 4/BORA 2.3I V5 110/125KW (150/170BHP) 97>

Sours: https://races-shop.com/golf/83499-performance-air-intake-ramair-for-volkswagen-mk4-golf-bora-23l-v5.html
BIG Turbo Inlet Pipe Install!

APR Carbonio Carbon Fiber Cold Air Intake System - VW Mk4 Golf, Jetta, GTI, GLI VR6

Manufactured from aerospace grade carbon fiber, Carbonio further improves this material by incorporating a proprietary thermal barrier layer in its construction. The result is an exceptionally light and strong part that minimizes intake temperatures. This ensures that the engine optimizes power by receiving the coldest and most oxygen rich air possible.

Carbonio's line of intakes for VW automobiles represent the pinnacle of induction design. Extensive testing has resulted in an intake that maximizes performance in all driving conditions. Power will come on sooner and the engine will pull longer and stronger.

Benefits of the Carbonio CAI System include:

  • Increases Horsepower and Torque
  • Improves Throttle Response
  • Flattens Torque Curve (engine is less 'peaky')
  • Improves Fuel Economy
  • Enhances Engine's Volumetric Efficiency
  • Installs in an Hour (does not require bumper or headlight removal)
  • Maintains All Factory Emissions Components
  • Fits Both Manual and Automatic Transmissions
  • Unique Thermal Barrier Composite Construction Ensures Low Inlet Temperatures
  • Fully Compatible and Complimentary with APR Software and Exhaust systems

Each Carbonio Kit Includes:

  • Aerospace Grade Carbon Fiber Intake Section with Show Quality Finish
  • Complete Photographic Instructions
  • Ram Air Design Washable Cotton Gauze Filter (of K&N type construction)
  • Air Pump Breather Filter (if applicable)
  • All Necessary Hardware

Fitment/Applications:

  • 1999-2005 VW Mk4 Jetta, GTI, GLI equipped with a VR6 engine
Sours: https://store.ngpracing.com/apr-carbonio-carbon-fiber-cold-air-intake-system-vw-mk4-golf-jetta-gti-gli-vr6.html

Intake mk4 gti

Volkswagen Golf IV 1.8T Engine Intake Parts

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008 Premium Diverter Valve - Anodized Black

Smaller, tougher and tuneable

Brand:
Forge - Corporate Logo
ES#:
2224448
Mfg#:
FMDV008

710N Diverter Valve - Priced Each

A great upgrade for stock to mildly tuned engines

Brand:
Kayser - Corporate Logo
ES#:
2739493
Mfg#:
06A145710N

11% off MSRP$46.95 $41.95

Free Shipping

on orders $49 and up

Splitter Valve - Black

Recirculation & blow off valve all in one for customers that want both styles

Brand:
Forge - Corporate Logo
ES#:
8288
Mfg#:
FMDVSPLTR

Billet Diverter Valve - Black

High-performance spring and piston design is both durable and a performer!

Brand:
034Motorsport - Corporate Logo
ES#:
3183557
Mfg#:
034-145-5000-BLK

Billet Diverter Valve - Polished

High-performance spring and piston design is both durable and a performer!

Brand:
034Motorsport - Corporate Logo
ES#:
3183558
Mfg#:
034-145-5000-ALU

Front Mount Intercooler Kit (450HP)

Improved cooling for improved performance Modifications necessary for proper fitment. Please see installation PDF prior to purchasing.

Brand:
CTS - Corporate Logo
ES#:
2862988
Mfg#:
CTSMK4FMICKIT450
ON SALE! SAVE 15%

$699.99 $594.99

Free Shipping

Mass Air Flow Sensor (MAF)

Restore fuel economy and performance

Brand:
Bosch - Corporate Logo
ES#:
6105
Mfg#:
0280218063SJ

53% off MSRP$209.00 $98.95

Free Shipping

on orders $49 and up

P-Flo Air Intake Kit

Give your car Unrestricted air flow

Brand:
Neuspeed - Corporate Logo
ES#:
2826096
Mfg#:
65.10.87

Billet R1 Diverter Valve - Priced Each

Less maintenance, more boost

Brand:
APR - Corporate Logo
ES#:
8818
Mfg#:
DV100001

008 Premium Diverter Valve - Black - 3 Way adjustable Vacuum Port

Smaller, tougher and tuneable - Now with 3-way adjustable, 90-degree vacuum port

Brand:
Forge - Corporate Logo
ES#:
3214561
Mfg#:
FMDV008PA

710N Diverter Valve - Priced Each

A great upgrade for stock to mildly tuned engines. Includes band clamps

Brand:
Assembled By ECS - Corporate Logo
ES#:
2804306
Mfg#:
06A145710NKT
ON SALE!

$51.85 $49.26

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CTS 1.8T Intake Kit

Increase horsepower and torque while adding an aggressive race inspired sound

Brand:
CTS - Corporate Logo
ES#:
3449955
Mfg#:
CTS-IT-020
ON SALE! SAVE 15%

$169.99 $144.49

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Throttle Body Assembly - priced each

Includes the throttle position sensor Requires ES2794167 to be used with stock intake manifold

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
284935
Mfg#:
079133062C

22% off MSRP$1380.00 $1070.27

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Luft-Technik Air Filter

Replacement air filter for Luft-Technik intake systems

Brand:
ECS - Corporate Logo
ES#:
3476081
Mfg#:
003675ECS02AKT
ON SALE! SAVE 10%

$59.95 $53.96

Free Shipping

on orders $49 and up

Secondary Air Breather Filter

Ensure filtered air enters your secondary air injection system

Brand:
APR - Corporate Logo
ES#:
514212
Mfg#:
CI100020A

$27.56

Free Shipping

on orders $49 and up

Luft-Technik Intake System - Includes Turbo Inlet Hose - Polished

Engineered for extreme performance and show quality looks!

Brand:
ECS - Corporate Logo
ES#:
2855158
Mfg#:
000593ECS1106AKT
ON SALE! SAVE 15%

$346.95 $294.91

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More About Engine Intake Parts

All engine performance begins with engine breathing. That's why we have a large inventory of stock and performance intake manifolds, and related intake manifold parts, including MAF sensors, intake hoses, cold air intake systems, and engine air filters for both normally aspirated and forced induction engines. To perform it's best, your engine needs to breathe clean and breathe free.

Sours: https://www.ecstuning.com/Volkswagen-Golf_IV--1.8T/Engine/Intake/
MK4 VOLKSWAGEN GOLF GTI: INSTALLING AN OVERSIZED TURBO INLET PIPE (TIP)

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