Apexi Panel Filter - Subaru Models (inc. 2008+ WRX/STI)
Manufacturer Part # 503-F101
As low as $1,430.29
Apexi is a household name in the world of JDM aftermarket products, and have made go fast parts employed by some of the fastest cars in motorsports. So you can trust Apexi even when it comes down to a simple panel filter for your vehicle.
The Apexi panel filters are a dry cotton style filter that offers a lot of surface coverage for the most effective filtration as possible. This filter is ideal for those of you who may not want to opt for an aftermarket cold air style filter just yet. The Apexi panel filter will out-perform, and out-filter your factory panel filter which will provide better performance and fuel economy.
RallySport Guarantee - 30 Days
Items that are covered under the RallySport Guarantee offer a 30 day no questions asked return policy.
RallySport Guarantee items may be returned within 30 days of the original invoice date and must include all the original parts and contents for a refund.
The RallySport Guarantee does not apply to products that have been modified, damaged, misused or abused. All returns require an RMA (Return Merchandise Authorization) Number, and freight charges are strictly non-refundable. For more information regarding our freight refund policy, please refer to our return policy page found HERE.
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Good Price, Easy Install
austinbeachy77349 3 years ago
Installed on my 08 LGT spec B, easy installation, no worries about oiling the filter. Acceleration after install was much smoother, and had better turbo sound.
Not what I thought
J_Pipe 4 years ago
Made well. Great look but you never see it once it's installed so it really doesn't matter. Car doesn't run any different. Same gas mileage as OE. OE made more sound (I wanted aftermarket intake sound without having to tune) and is almost half the price. Save your money.
Excellent filtration without the oily mess.
joejoe69 4 years ago
I have used APEXi filters for years from their dual funnel Power Intake to a few of these drop in panels. Their filtration capabilites are awesome and you don't have to worry about oiling them, which is detrimental to MAF equipped engines.
Brocks003k17867 4 years ago
Filter looks much better than OE and fitment was great.
QUESTIONS & ANSWERS
Q: tune or no tune? raymondravarra40571 3 years agoAnswer
I know it would be beneficial, but would it hurt my engine at all if I did not tune it?
A: We always recommend a tune for 08+ WRX/STI. If you decide to run it without a tune we are unaware of what problems could occur.
guest566b370c2a8d25ff038ca65d 3 years ago
Q: Tune or no tune? raymondravarra40571 3 years agoAnswer
I have been getting mixed answers. some say yes, some say no. Which is it? I drive a 2011 wrx.
A: Technically a tune would be beneficial, but not required.
Nick S. 3 years ago
Q: How long will it last Subirista 5 years agoAnswer
So i know this filter isn't reusable. But how long or how much mileage should it last?
A: Unfortunately Apexi does not release any information on the specific mileage that this filter will last. I would recommend following manufacturer guidelines on replacement filters for this unit as well.
Nick S. 5 years ago
A: Apexi Japan website says 25000 km. Cleanable with air compressor and absolutely do not wash with any liquid
tastetickles 4 years ago
Q: Tune?? 09WRXlover 6 years agoAnswer
I was reading online and I get mixed stories about drop inns. Does this drop in require a Tune??
A: Generally speaking, a panel filter will not require a retune on the vehicle. Thank you!
Sterling W. 6 years ago