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Fitment Information:
2008-2021 Subaru STI
Features:
The COBB Subaru STI Fuel Pressure Regulator Kit is a plug-and-play solution that is simple and easy to install. It requires no cutting of factory hoses and is multi-fuel compatible. This kit includes the fuel pressure regulator manifold reference relocation kit. Compatible with Stage 3 OTS Maps, custom tuning will be required for other setups.
This item fixes an issue that can arise after modifications involving fuel injection and delivery. Subaru STis which are 2008 and newer are known to run lean when approaching 3000 rpm with these mods. Cobb’s fuel regulator kit does a great job in fixing this problem.
Quick and painless install. Cobb makes a great product. Make sure you get tuned after install.
If you're going e85 get this, if you're your tired of the hang you get from 2k-3k rpms get this. You will not be disappointed!
Very easy to install and a must have when going with bigger pump and injectors.
Very easy to install. Huge improvement with drive ability and gets rid of the stumble at 2800rpm. Tune/throttle response is way more smooth
The setup was extremely easy, quick connectors are quality and easy to use. Definite must for larger injectors.
I haven't put it on yet but it came quick and packaged properly.
Best mod ever
Works as intended, installation wasn’t difficult at all. Save some money and use zip ties to remove factory fuel lines, no need for a disconnect tool.
A great addition to any level build!
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