How much HP does a OTR add?

You can expect a gain of 15-20 peak wheel HP and 20-30 wheel HP in the upper RPM range over the factory intake on a stock car. With a good tune, expect an additional 20-30 HP at the wheels.

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What does OTR intake stand for?

over the radiator
The Walkinshaw Performance over the radiator (OTR) cold air intake system is specifically designed to increase the volume of induction intake. It works in line with the Walkinshaw Performance ECU calibrations and exhaust system to provide excellent performance and fuel economy improvement for your vehicle.

Does OTR need a tune?

The car needs to be tuned for the OTR even if you keep the MAF, or needs to have any existing tune tweaked. We gained another 7kw over just putting the OTR on mine with the existing tune by adjusting it for the OTR. I say YES !

Does Ram air increase hp?

Cold air intakes and short ram intakes both have the same goal, which is to increase horsepower.

Do I need a tune with an OTR?

Is MAF or Mafless better?

The benefits to retaining the MAF are far greater, the combination of correctly calibrated MAF and speed density provides noticeably improved throttle response, idle quality and drive-ability in general without the sacrifice of power loss.

Are ram air intakes worth it?

To answer the question of whether a cold air intake system is ultimately worth it, the answer is yes. Even if you don’t notice the benefits, they are still present and are actively helping your car to run more efficiently.

Is a MAFless tune legal?

So a Mafless tune as in the GTS is legal if its done to the GTS specs Basically LS 1 Edit is legal, also the same size cats can be used as with the rest of the exhaust system. as it is not louder than 90 db and the cats must remain. SS.

Do you need to tune after OTR?

The car needs to be tuned for the OTR even if you keep the MAF, or needs to have any existing tune tweaked.

Do you need a tune for short ram intake?

You don’t need a tune with a short ram.

Does Ram air increase HP?

Is MAF or MAFless better?

Is MAP better than MAF?

To sum up, neither is better than the other exactly and when it comes to MAP versus MAF, they’ve just got different strengths. That’s why some engines use them in tandem to get the most and best information to drive performance as smoothly and efficiently as possible.

Is an open air intake worth it?

More oxygen means more power from your engine, so improved airflow is an excellent way to increase the performance of your vehicle. This is where a cold air intake system is extremely effective; improved airflow. This inexpensive mod can be exceptionally useful if paired with other vehicle enhancements.

Is short ram intake better than stock?

Both cold air intakes and short ram intakes aim to bring more air into the engine. This results in better combustion and more power and torque. Some manufacturers claim that their intakes can add as much as 20 horsepower. Both cold air and short ram intakes provide a smoother path for air to follow to the engine.

Is MAP same as boost?

A MAP sensor measures absolute pressure whereas most boost sensors measures gauge pressure relative to atmospheric pressure. This means a 3 Bar MAP sensor will read 1.01325 Bar ~ 1 atmosphere ~ 14.7 PSI absolute while a boost sensor will read 0. This means the OEM 3 Bar MAP sensor can measure up to 43.51 PSI absolute.

What are the benefits of the duspeed® OTR tune?

Filter – Vt-Vz Duspeed intakes use K&N Filters. Improved Power – The combined effects of the tune and the OTR will give gains of 30-60 KW at the wheels over the standard system and tune. Colours – DuSpeed® OTR is available in any colour.

Will duspeed otrcai improve my 1/4 mile time?

Testing – Intakes are tested under race conditions by TJ Motorsport HDT race cars and Hitech motorsport. Duspeed OTRCAI will improve your 1/4 mile times by 0.5sec when tuned over the std airbox with a tune. “Thanks again Dus, i love em mate!!

What is the difference between duspeed® OTR and fiberglass?

NOT A PRICE Fibreglass – Fibreglass does not distort under high temperatures when correct resin and fibreglass are used. Fibreglass has a higher structural integrity than plastic. Simple Installation – DuSpeed® OTR is very easy to install and comes with instructions on how to do it.

Are ramjet filters any good?

Ramjet with infills on the older models looks good dunno if VF avail. Both the ones you mention are a bit difficult to service the filter really. Yeah i had the ramjet in my ve calais, performed good was just annoying because it was prone to coming loose and needing a refit! Ramjet with infills on the older models looks good dunno if VF avail.