Price: $45.00
Pros: noticed sharper throttle response immediately
Cons: none
Recommended? Yes

Comments: simple drop in installation. noticed nice throttle response right away. This is a no brainer inexpensive must do upgrade.

Price: $45.00
Pros: Better flow, MPG and reuseable.
Cons: None
Recommended? Yes

Comments: Have these on all my cars. Pay for themselves.

Price: $100.00
Pros: hell of a lot better air flow
Cons: not much
Recommended? Yes

Comments: the only problem i have is that it lets some fine sand and dust through. other than that it helps with HP on the road.

Price: $0.01
Pros: Big air flow Permanent
Cons: none
Recommended? Yes

Comments: This was installed by the P/O, so I don't know the price, but I put K&N permanent air filters in all of my vehicles and love them!

Price: $250.00
Pros: None
Cons: None
Recommended? Yes

Comments: None

Price: $50.00
Pros: More air flow, louder
Cons: Vulnerable to surroudings (dirt, water, etc)
Recommended? Yes

Comments: It is good as a replacement filter, but it susceptible to harmful surroundings.

Price: $40.00
Pros: Butt dyno tested great gains in performance
Cons: Slight whistle under hard acceleration
Recommended? Yes

Comments: After doing research, I would recommend this air filter along with a pre-filter to avoid sucking up unwanted debris.