VW Golf 4 GTI 1.8T T3/T4 Bolt-On Turbo Kit

T3/T4 Turbo Upgrade for the VW AWP 1,8T motors - Fits vehicles with a 1.8t motor swap as well

This is a complete Bolt-On Turbo kit rated for 300KW (400HP), Includes everything you need, Bolts and Gaskets included. Full bolt on kit, nothing else needed. Some vehicles will require certain fuel upgrades (Bigger Injectors/fuel pump) We recommend checking with your tuner/mechanic beforehand. 

All prices include shipping, customs duties, and doorstep delivery no hidden fees, just hassle-free service

Built for performance, pressure, and precision this setup is designed to deliver serious power gains with reliable, race-ready hardware.

• Turbo Type: T3/T4 Hybrid

• Bearing Type: Journal Bearing

• Cooling: Oil-Cooled

• Rated Power: Up to 450 HP

• Boost Capability: 2535 PSI Peak Output

Compressor (Cold Side):

• A/R: 0.50

• Inlet: 3.0"

• Outlet: 2.0"

• Exducer Diameter: 3.0" (73.55 mm)

• Inducer Diameter: 1.99" (57.75 mm)

• Trim: 48.9

Turbine (Hot Side):

• A/R: 0.63

• T3 Standard Flange Easy bolt-on fit for most manifolds

• 5-Bolt Exhaust Housing

• Exducer Diameter: 2.2" (75.46 mm)

• Inducer Diameter: 2.56" (52.76 mm)

• Trim: 61.9

• Thread Size: M10x1.25

Front-Mount Intercooler

• Overall Dimensions: 27" (Length) × 7" (Height) × 2.5" (Width)

• Core Size: 21"

• Inlet/Outlet: 2.5" each

• Air Flow Capacity: <350 CFM; Rated for up to 500 HP

• Working Pressure: 550 PSI

• Pressure Drop: 25 PSI @ 35 PSI; 0.20.5 PSI @ 15 PSI

• Design: Bar and Plate

• Construction: Machine-cut, stamped, and hand-welded

• Compatibility: Universal fits many cars and trucks

Cast Iron Turbo Manifold

• Turbo Flange: T3 fits T3 or T/T3 turbochargers

• Wastegate Flange: 38mm (5mm thick)

• Fitment: Direct bolt-on

EM RS Blow-Off Valve

• Material: High-quality CNC Billet Aluminum

• Style: EM RS (Racing Style)

• Function: Sharp venting and pressure release

Intercooler Piping Kit

• Material: Lightweight Aluminized Mandrel-Bent Tubing

• Pieces: 4-piece bolt-on design

• Benefits: Improved airflow adds up to 1020 HP

• Includes:

  • High-pressure silicone couplers

  • Stainless steel T-bolt clamps

EMUSA 38MM Adjustable Wastegate

• Boost Settings: 4 / 6 / 8 / 10 PSI (spring-loaded)

• Material: CNC Machined Aluminum

• Finish: High Polish

• Accuracy: Dyno-tested, proven boost control

TurboSmart-Style Manual Boost Controller

• Compact and easy-to-adjust

• Delivers consistent and stable boost levels

Oil Line Kit

• Includes:

  • Oil Feed Line

  • Oil Return Line
    

All components match product photos and are built for durability and performance under real-world driving conditions.