Manufacturers

Direct Port Injection

Direct port injection delivers perfectly balanced octane benefits to each cylinder. If your high-output engine is equipped with a big turbo, or if you're on the ragged edge with a wee charger, you'll have the means for serious gains. Turn up the boost and advance ignition timing with supreme confidence. Run a 100 octane file on even weak 91 octane gasoline. -easily.

USRT direct port on Audi TT 1.8T 20v

Direct port guarantees that each cylinder receives exactly the same spray volume. Detonation is suppressed positively and easily. The safe tuning range is broadened and sharpened at the same time.

For fine tuning, a modern controller is highly advantageous. Great examples are Cortex EBC or the simpler FrostByte. The common "two knob" box plus boost switch can still be used. They still have their place in some of today's projects but are no longer competitive.

Lastly, There is the matter of TIMING. -not just distributing evenly but putting mist at the backs of those intake valves ON TIME and with PRECISION, too. Such demands our new RACE valves. -a whole new advancement for WMI tuning and auxiliary fueling that bridges the functional gap with full EFI.

Nozzle information:
Please contact us for help to coordinate nozzle sizes, placement positions, triggering points, etc. The stakes are high when pushing hard. Trial and error guesswork is unwise when our our tech experts can help you get it right from the very beginning.

BMW M3 GTS direct port water methanol injection USRT

Direct Port (Base) System

Direct Port (Base) System

Dial in your octane delivery and get the fueling you need. Mist distribution will be 100% even with each cylinder receiving the expected amount of...
$299.00
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Subaru (RACE) DPR4+2

Subaru (RACE) DPR4+2

Our R apid A cting C ontrol E lements (aka " RACE valves ") are now the fastest/most accurate flow control actuators on the market. They...
$425.00
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VW R32 (RACE) DPR6+1

VW R32 (RACE) DPR6+1

Over the top projects like "Project Nemesis R700" demand state of the art engine management. USRT's new RACE valves are the...
$569.00
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Renault 1400 (RACE) DPR4+1

Renault 1400 (RACE) DPR4+1

Working with a TRUTH Base Kit , an air cooling nozzle (175cc) is placed immediately after the front mount intercooler. A RACE valve will regulate...
$439.00
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Audi TT (RACE) DPR4+1

Audi TT (RACE) DPR4+1

Water/methanol systems equipped with RACE valves are SO easy to tune and dial in. -SO much more predictable at the edge of tuning. This is about...
$445.00
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ATS-V "TESTOSterone" DP6+4

ATS-V "TESTOSterone" DP6+4

ATS-V Direct Port6 plus 2x pre-compressor and 2x volute. HAMMER pump, filtered outlet system, 600psi gauge.  
$1,735.00
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Mustang Procharger DP8+3

Mustang Procharger DP8+3

Now, let's tame V8 horsepower with a 8 direct port nozzles and even more added for staged air cooling. Configured for a drag racing Gen3 Coyote...
$699.00
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Artic Cat DP3+1

Artic Cat DP3+1

The stock 200hp just wasn't enough... A Direct Port3+1 kit helps makes 320hp easy! That's one nozzle per intake runner plus an air cooling...
$199.00
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Volvo DP5+2

Volvo DP5+2

When you've got an already overachieving Volvo with 2.3l 5-cylinder, what do you do with it? TURN UP THE BOOST! This one will require a single...
$375.00
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Audi S4 (RACE) DPR8

Audi S4 (RACE) DPR8

An 8-port injection system with elite control features, it has served well in the USRT R&D fleet. This self-built Audi S4 V8 Turbo (B7) has led...

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