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Unitronic Turbo Inlet Elbow for 1.8/2.0 TSI GEN3 MQB is Now Available!

Jul 25th, 2018 Products

Unitronic®'s new Turbo Inlet Elbow for the 1.8/2.0 TSI MQB ISxx turbochargers is made from aircraft grade cast Aluminum and is engineered as a direct bolt-on to eliminate airflow restrictions, resulting in a significant increase in turbocharger efficiency.

Uni MQB Elbow with ScannerUnitronic turbo Inlet Blueprint

Unitronic MQB Turbo Inlet Elbow Product Shot

Unitronic new turbo inlet elbow was developed utilizing the latest state-of-the-art tools, equipment, and computer aided design software to achieve this unique design that optimizes airflow and speed, while eliminating restrictions, allowing for positive pressure pre-compressor as illustrated in our EFD renderings.

Unitronic MQB Turbo Inlet EFD renderings

It's important to not only engineer a product to be the best it can, but it's also important to know it's limits. Analyzing maximum airflow is great, but it’s important that the measurements are performed in realistic conditions. In efforts to allow Clients to directly compare the flow data with competitors’ published data, Unitronic performed the airflow tests at 28 inches of water, which is a direct comparison to that of the competitor’s inlet.

Unitronic MQB Turbo Inlet Airflow Chart

(Unitronic = 450 cfm (32lbs/min) @ 28inH2O, Competitor's = 441 cfm @ 28inH2O, Stock = 379 cfm (27 lbs/min) @ 28inH2O)

With the focus and intent to optimize flow, Unitronic Hardware Engineers extended testing further, optimizing the design through different iterations at different mass flow rates until an acceptable threshold had been reached. It was identified that the stock (OEM) elbow was only able to handle up to 30 lbs/min (380 CFM) before it began to choke, causing air cavitation, ultimately resulting in a restriction to the overall performance of the turbo and system.

Unitronic Turbo Inlet VS OEMUnitronic Turbo Inlet VS OEM From Behind

Uni MQB Elbow InstalledOEM Tubo Inlet Elbow Installed

Unitronic Turbo Inlet Overlay OEM

Unitronic’s Turbo Inlet Elbow features full one-piece design with CNC-machined inlet and outlets, fully integrated (non-pressed in) CNC-machined PCV inlet, tapered outlet mouth for an ultra-smooth flow-matched airflow transition into the turbocharger, and includes a fully integrated bracket for a direct bolt-on fitment that installs within minutes and minimal tools.

MQB Turbo Inlet Elbow InstalledUnitronic MQB Turbo Inlet Installed

Unitronic MQB Turbo Inlet Elbow AngleUni MQB Turbo Inlet Elbow AngleMQB Turbo Inlet Elbow Angle Shot


• Made from aircraft grade cast Aluminum

• Outflows the stock (OEM) unit

• Supports unrestricted airflow up to 50 lb/min

• Full one-piece design (PCV inlet port and securing arm)

• Fully integrated CNC-machined PCV inlet

• CNC-machined inlet and outlet

• Tapered outlet mouth for ultra smooth flow-matched airflow transition

• Direct bolt-on fitment

• Installs within minutes with minimal basic tools

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