CTS JB-600 IS38 hybrid turbo, VAG EA888.3 MQB platform

CTS Turbo JB-600 high performance IS38 based turbo for MQB EA888.3 platform tuning. CTS has heard the call, and unveiled their latest premium hybrid turbo with a stainless steel exhaust housing specifically designed for MQB platform vehicles.

What is it? It’s a drop-in turbo with fast spool, massive torque curve and reliable performance. CTS has decided to keep the journal bearing CHRA from the wellknown IS38 turbocharger and spice it up a bit as necessary, to match the larger wheels and a performance-oriented nature of this upgrade. The thrust bearings and thrust collars were increased by 2mm to accommodate the extra load. The oil passages were increased by 0.72mm to allow the most efficient hydrodynamic wedge when the turbocharger is in operation. During development this turbocharger has been extensively tested, at different altitudes and different climates.

This model is capable of delivering up to 600 crank hp under optimal circumstances, which means typically around 520whp on E85 or 430-460whp on high quality pump fuel. Obviously, results vary greatly depending on each setup and especially the tune / tuner. This turbocharger is designed for street use, focusing mostly on fast spool times and solid mid-range performance.

Unit has been designed to work with mild to medium boost range, respecting the stock engine internals (usually not recommended to exceed 2bar / 30PSI). Optimal boost range is found staying under 25-28psi, or less if you’re limited by fueling. It is not recommended to exceed this recommended boost pressure with this unit.

Features:

• Perfect street turbocharger upgrade, fantastic spool and mid-range response
• Journal bearing direct-fit CHRA (compatible with all factory oil and coolant lines)
• Billet reverse rotation compressor wheel, 53.1mm inducer, 71mm-76mm exducer with extended tip (6+6 blade configuration)
• Inconel TD06SL2 reverse rotation turbine wheel, 54mm exducer, 60mm inducer (11 blade configuration)
• Stainless Steel proprietary turbine housing, made precisely for factory fitment
• VSR Balanced to OE tolerances
• Compatible with most tuning solutions for popular hybrid turbos (United Motorsport, Eurodyne, COBB)
• Compatible with OE or replacement wastegate actuators
• Compatible with OE or aftermarket turbo inlets and turbo outlets, however we recommend our 2.5″ turbo outlet pipe, see below

Fitment is for all MQB-based EA888.3 vehicles, with IS serie turbo by standard – for example:

• 2015-2019 VW Golf/Sportwagen/Alltrack
• 2015-2020 VW GTI
• 2015-2019 VW Golf R
• 2019-2023 VW Jetta GLI
• 2018-2021 VW Arteon
• 2016-2020 VW Passat
• 2015-2020 Audi A3
• 2015-2020 Audi S3
• 2015-2020 Audi TT
• 2015-2020 Audi TTS
• 2015-2020 Skoda Superb 280hp
• 2015-2020 Seat Cupra engines

Required parts (not included):

• Factory or aftermarket wastegate actuator (normally transferred from stock unit)
• Software tuning for hybrid turbo
• Installation hardware for factory turbocharger, listed below

NOTE: Always follow the proper procedure for checking/adjusting the wastegate actuator when installing the turbo! Recommended wastegate actuator voltage: 3.4V-3.6V

Installation must be performed by a qualified technician. Always pre-fill the turbocharger, replace engine oil and filter, follow proper break-in procedures.

Installation hardware or gaskets (use same install kit as the factory turbo), wastegate actuator, turbo outlet fitting not included.

OEM hardware and gaskets required for installation:

• 06L253039A – Turbo Inlet Gasket
• 5Q0253115B – Turbo Outlet Seal
• WHT007210 – Turbo Mount Nuts (x4)
• N90067202 – Turbo Oil Line O-ring (x2)
• WHT006112 – Turbo Oil Line Gasket
• WHT006113 – Turbo Oil Line Gasket
• WHT006114 – Coolant Hose O-Ring
• WHT006124 – Coolant Hose O-Ring
• WHT005558 – Coolant Hose O-Ring