Top Mods for your VW MK4 GTI 1.8T
ECS loves helping you make your car all it can be; that's why we've put all the top of the line performance parts for your MK4 GTI 1.8T together in one place. This list, compiled by our own VW gurus, is everything you need to outfit your car with all those goodies you've wanted for your build. Let's make race season even more fun with all the best performance parts for your MK4 GTI 1.8T!
Hand Selected By Our Team Of Enthusiast
For Your
VW MK4 GTI 1.8T
MK4 ECS Street Coilover System
Take control of your ride while going low with our sport-tuned coilover system!
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Brand:
ES#:
3419108
Mfg#:
021544ECS01AKT
MK4 Golf/GTI/Jetta Adjustable Damping Coilover System - With Installation Kit
Features 32 way adjustable damping, variable length, zinc-coated shock bodies and performance sway bar end links. Includes all new mounts, bearings and hardware for a comprehensive suspension package.
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Available height adjustment range of (26" FTG - 24.5" FTG)
Available height adjustment range of (26" FTG - 24.5" FTG)
Brand:
ES#:
4348795
Mfg#:
003946LB02KT
BR Series Coilover Suspension Kit
Featuring 30 levels of adjustment and performance spring rates and valving
Brand:
ES#:
3521646
Mfg#:
H-02-BR
VW MK4 Pre-Assembled Front Control Arms - With Polyurethane Bushings & Install Hardware
Featuring polyurethane bushings for increased feeling and response. Ready to install.
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Brand:
ES#:
2839073
Mfg#:
003099ECS01KT2
Wheel Centering Plates
Adjust your rear axle beam back towards the center of your wheel arch
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Brand:
ES#:
2515458
Mfg#:
1J0598100
ECS Polyurethane Rear Axle Bushing Kit
Replace your worn rear axle beam bushings with these upgraded Polyurethane units
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Brand:
ES#:
261061
Mfg#:
1J0501541C
CTS 1.8T Intake Kit
Increase horsepower and torque while adding an aggressive race inspired sound
Brand:
ES#:
3449955
Mfg#:
CTS-IT-020
P-Flo Air Intake Kit
Give your car Unrestricted air flow
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CARB certified for sale in all 50 states
CARB certified for sale in all 50 states
Brand:
ES#:
2826096
Mfg#:
65.10.87
EO#:
D-236-25
Luft-Technik Intake System - Includes Turbo Inlet Hose - Wrinkle Black
Engineered for extreme performance and show quality looks!
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Brand:
ES#:
2855160
Mfg#:
000593ECS1102AKT
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Availability:
Ships on Oct 29, 2026
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Ships on Oct 29, 2026
Silicone Turbo inlet hose - with clamps
For cars with 19mm & 25mm PCV
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Brand:
ES#:
2785003
Mfg#:
003598ECS03
ECS Silicone Boost Hose Kit with clamps - Black
Improve your air flow with our ECS silicone boost hose kit
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Brand:
ES#:
2770638
Mfg#:
003589ECS11A
Front Mount Intercooler Kit (450HP)
Improved cooling for improved performance
Brand:
ES#:
2862988
Mfg#:
CTSMK4FMICKIT450
Intake Manifold - black Finish
For Hemi 80mm throttle body
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Brand:
ES#:
2794527
Mfg#:
IEIMVA1BK80
Billet R1 Diverter Valve - Priced Each
Less maintenance, more boost
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Brand:
ES#:
8818
Mfg#:
DV100001
2.0T Coil Pack Conversion Kit - Stage 2
Includes wrinkle red conversion plate -w- red 2.0T coils and black hold down kit
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Brand:
ES#:
2713444
Mfg#:
002598ECS18AKT
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Availability:
Ships in 9 Business Days
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Ships in 9 Business Days
2.0T Coil Pack Conversion Kit - Stage 2
Includes wrinkle red conversion plate -w- red 2.0T coils and red hold down kit
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Brand:
ES#:
2713445
Mfg#:
002598ECS19AKT
Silicone Reinforced Breather Hose Kit - With Billet PCV Valve
Designed to replace the crumbling plastic and rubber factory breather hoses
Brand:
ES#:
2864543
Mfg#:
034-101-3007
ECS Tuning Baffled Oil Catch Can System
Everything needed to keep your intake tract clean and oil free!
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Brand:
ES#:
3187868
Mfg#:
019138ECS01-01KT
MK4 1.8T Catch Can Kit
Vent-to-atmosphere design, featuring billet can and anodized fittings
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Brand:
ES#:
2793968
Mfg#:
IEBACA4
MK4 Performance Aluminum Radiator
Direct-fit upgrade! Featuring a 26% increase in cooling system capacity along with a durable, all aluminum construction
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Brand:
ES#:
4001222
Mfg#:
018163ECS01KT
MK4 Performance Aluminum Radiator - With Installation Kit
Direct-fit upgrade! Featuring a 26% increase in cooling system capacity along with a durable, all aluminum construction. Includes new radiator mounts, fan switch seal and coolant.
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Brand:
ES#:
4005135
Mfg#:
018163ECS02KT
ECS Hybrid 1.8T Oil Pan Conversion Kit
Cracked your low lying aluminum pan? This ECS hybrid conversion kit is your ultimate solution.
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Brand:
ES#:
2102397
Mfg#:
06A103601AA
Unitronic Performance Software - Flashed @ ECS
Choose the stage that meets your power goals!
This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next
Brand:
ES#:
4461249
Mfg#:
1.8T-MK4TT
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Availability:
In Stock
In Stock
Eurodyne Reflash - With Powertap Air Flash Tool
Tune your car with just your laptop and choose gains ranging from 35-50 hp and 77-107 ft-lb of torque
Brand:
ES#:
3147671
Mfg#:
ED-1.8-AWP-KT
Maestro Tuning Suite - With Powertap Air Flash Tool
Ideal for shops and enthusiasts looking to recalibrate their vehicles for modified hardware
Brand:
ES#:
3147663
Mfg#:
ED-MT-1.8-AWP-KT
MK4 Golf/GTI Performance Catback Exhaust System
In-house engineered for VW MK4 enthusiasts! Featuring T304 SS Tig-welded 2.5" tubing, a center resonator and a straight-through perforated core muffler
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Brand:
ES#:
4338301
Mfg#:
013940LA02-01
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Availability:
In Stock
In Stock
2.5" Cat-Back Exhaust System - Resonated
Get that Exhaust tone you've been looking for!
Brand:
ES#:
2828105
Mfg#:
SSXVW053
3" High Flow Downpipe with catalytic converter
T304 Mandrel bent stainless steel Tubing
Brand:
ES#:
2862901
Mfg#:
CTSEXHDP0002CAT
2.5" High Flow Downpipe with catalytic converter
T304 stainless steel high flow design
Brand:
ES#:
2917735
Mfg#:
17800-04