- Quality Big MAF cold-air intake for the 2015-2021 Subaru STI.
- 73mm MAF diameter is good up to about 450awhp.
- Fits with ETS and Mishimoto FMIC (and all TMIC).
- NOT compatible with the Perrin FMIC (see other type-2P intakes).
- Please email email@example.com with info about other FMIC applications.
- High filter location eliminates typical-CAI worries about water ingestion.
- Hydrophobic filter sock is available for extremely wet conditions - see related products below.
- Custom Tuning is absolutely required with this (and any other) big MAF intake.
- For a base map, multiply the stock MAF table by 1.23 and fine tune from there.
- Once tuned, this intake idles and drives like stock.
- Engine damage will happen if you drive your car under boost untuned with this intake.
- Optional Heat Shield is recommended and lowers intake temperature by 10-20 degrees.
- Heat Shield comes notched to clear intercooler piping when needed.
- Powder coated semi-flat black.
- Comes with mounting bracket when no Heat Shield is selected.
- Powder coating of the intake tubing available.
- NOTE - please allow 2-3 business days before shipping when selecting any coating.
- For more details about coatings see related products below.
- Reinforced silicone couplers.
- 100% Stainless liner-type hose clamps do not cut into the coupler.
- Made in the Reno/Tahoe area of Nevada, USA.
- Precision CNC-machined MAF Flange.
- Beautiful welds done by local craftsmen.
- Smooth mandrel-bent tubing.
- Accurate and clean waterjet cutting of heat shield and brackets.
- AEM DryFlow oil-free filter is standard. Very high-quality velocity-stack filter.
- Replacement filter is AEM #21-203DK (see related products below)
- Hydrophobic filter sock is AEM #1-4000 (see related products below)