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Yes. Both Horsepower and torque will be increased because of a less restricted airflow.
Your stock air filter chokes back the amount of air that can be sent into your engine for combustion. Using an aftermarket cold air intake will allow for more air and colder air to reach your engine which will benefit your vehicle.
Also, if you have good driving habits and aren't too aggressive on the gas pedal, then it will also improve your MPG.
What else can I help you with?
Where is the location of the PCV on a 1999 Subaru Legacy sedan?
Screwed right into the intake manifold, top side, facing rearward, and toward the passenger side.
Are the computers different in the 1999 Subaru legacy and the 2006 model?
Yes
Is a starter for a 94 Subaru legacy compatible with a 93 Subaru Legacy?
The starter is interchangable between all 1990-1994 Legacies and maybe even up to 1999.
Where is the windshield washer relay in a 1999 subaru legacy outback?
There is no washer relay.
How do you change a gas tank on a 1999 Subaru legacy outback?
with a cutting torch
What year parts in a subaru legacy outback will fit a 1997?
From 1995 to 1999.....
Where is the oxygen sensor located on your 1999 Subaru legacy outback sport utility sedan?
I just purchased new catalytic converters for my 1999 Subaru Legacy Outback. There are three ports for oxygen sensors. They appear to be on the top of the converters. I just purchased new catalytic converters for my 1999 Subaru Legacy Outback. There are three ports for oxygen sensors. They appear to be on the top of the converters.
How to replace lost key for 1999 Subaru legacy?
Call the Subaru dealer with your VIN and they can cut a new key in five minutes.
Will a Subaru 1996 outback radiator fit in a Subaru 1998 outback?
Will fit Legacy/Outback Model Year 1995 to 1999.
Where is the ECU and ECM modules located in a 1999 Subaru forester?
The ECU in a MY 1999 Subaru Forester is located at the upper left site of the engine under the air intake.
What is the correct octane fuel for a 1999 Subaru legacy outback?
Regular Unleaded is just fine.
How do you replace the power antenna on a 1999 Subaru Legacy Wagon?
http://www.antennamastsrus.com/Instructions%20Mast.htm
