Unitronic Intercooler Upgrade - 2022+ VW GTI & Golf R (MK8/MK8.5)

Repeated hard acceleration, hot weather and track use can push the factory intercooler into heat soak. As charge-air temperatures rise, the engine may reduce performance to protect itself. The Unitronic UH023-ICA Intercooler Upgrade provides substantially more cooling capacity to help maintain consistent power during demanding driving.

Its 23.5-inch × 2-inch × 16.5-inch bar-and-plate core provides more than 60% greater volume than the factory intercooler. Unitronic rates the assembly to support 600+ horsepower while retaining direct-replacement installation, factory-style charge-air connections and a clean black finish.

Why Upgrade the Factory Intercooler?

• Helps reduce charge-air temperatures during repeated acceleration and demanding driving
• Improves resistance to heat soak for more consistent performance
• Provides more than 60% greater core volume than the factory intercooler
• Supports factory-turbo and higher-output builds up to Unitronic’s 600+ HP rating
• Direct replacement with no bumper, radiator-support or other trimming required
• Works with the factory charge pipes or compatible Unitronic charge-pipe upgrades

Unitronic Stress Testing

Unitronic compared the factory and upgraded intercoolers through nine consecutive dyno runs. Its published testing shows the upgraded intercooler maintaining substantially lower outlet temperatures and resisting heat accumulation more effectively, even when tested with higher ambient and inlet temperatures. Actual results will vary with vehicle configuration, airflow, ambient temperature and operating conditions.

Unitronic Stress Testing

Unitronic compared the factory and upgraded intercoolers through nine consecutive dyno runs. Its published testing shows the upgraded intercooler maintaining substantially lower outlet temperatures and resisting heat accumulation more effectively, even when tested with higher ambient and inlet temperatures. Actual results will vary with vehicle configuration, airflow, ambient temperature and operating conditions.

Select either graph to view the full-resolution test data. Manufacturer-provided testing data. Source: Unitronic.

Installation and Performance Video

Product Specifications

• Manufacturer: Unitronic
• Part number: UH023-ICA
• Product type: Direct-replacement performance intercooler
• Core design: Bar-and-plate
• Core dimensions: 23.5 × 2 × 16.5 inches
• Metric dimensions: 597 × 50 × 419 mm
• Core material: T5052 aluminum
• End tanks: T6061 cast aluminum
• Internal design: Proprietary fin-and-louver configuration
• Construction: TIG welded
• Core volume: More than 60% greater than OEM
• Manufacturer power-support rating: 600+ HP
• Weight: 24.4 pounds
• Finish: Black
• Trimming required: No

What’s Included

• One UH011-IC3 Unitronic black intercooler core
• One UH016-IC0 radiator-spacer and installation-hardware kit

Not included: Upgraded charge pipes and standalone silicone intercooler hoses are not included with UH023-ICA.

Choose Your Unitronic Upgrade Path

This listing includes the intercooler and its required installation hardware only. Unitronic also offers vehicle-specific charge-pipe upgrades and complete packages:

• GTI complete package: Unitronic Intercooler and Charge Pipe Kit — UH033-ICA
• GTI charge pipes only: Unitronic Charge Pipe Kit — UH027-ICA
• Golf R complete package: Unitronic Intercooler and Charge Pipe Kit — UH032-ICA
• Golf R charge pipes only: Unitronic Charge Pipe Kit — UH026-ICA
• Factory-hose replacement only: Unitronic Silicone Intercooler Hose Set — UH035-ICA

The standalone charge-pipe kits and complete intercooler/charge-pipe packages already include intercooler inlet and outlet hoses. Do not add UH035-ICA when purchasing UH026-ICA, UH027-ICA, UH032-ICA or UH033-ICA.

Installation

• Manufacturer difficulty rating: 3 out of 5
• Installs in the factory intercooler location
• No bumper, radiator-support or other trimming required
• Front bumper and cooling-stack disassembly are required
• Unitronic recommends installation by an authorized dealer or qualified professional

Download the official Unitronic UH023-ICA installation guide

Frequently Asked Questions

Does this intercooler add 600 horsepower?
No. The 600+ HP figure is Unitronic’s stated power-support capacity for the intercooler, not a claimed horsepower gain. Actual output depends on the vehicle’s turbocharger, software, fuel and supporting modifications.

Is tuning required?
No. The intercooler can be installed on a stock or tuned vehicle without requiring ECU software.

Does UH023-ICA include upgraded charge pipes?
No. This listing includes the intercooler and installation hardware. Vehicle-specific charge-pipe kits and complete intercooler/charge-pipe packages are linked above.

Can I use the factory charge pipes?
Yes. UH023-ICA is a direct-replacement intercooler designed to retain the factory charge-air connections.

Is cutting or trimming required?
No. Unitronic states that bumper, radiator-support and other trimming are not required.

Should I purchase the intercooler alone or the complete package?
Choose UH023-ICA if your priority is increasing cooling capacity while retaining the factory charge pipes. Choose the vehicle-specific complete package if you also want upgraded turbo-discharge, throttle-body and intercooler plumbing.

Does UH023-ICA fit the Audi 8Y S3?
No. Audi 8Y S3 owners need the Unitronic UH009-ICA intercooler or the UH034-ICA complete intercooler and charge-pipe package.