This Perrin cold air intake is specifically designed for 2008 - 2014 Subaru WRX and 2008 - 2015 Subaru STI models. It has a CARB EO # of D - 735. With this intake, you can expect an estimated 15 - 20 wheel horsepower gain. It boosts horsepower, torque, and enhances throttle response. The intake is made of CNC mandrel - bent aluminum and has a powder - coated black finish. It comes with a Dryflow filter that offers the same protection as an oiled filter but needs less maintenance and is mess - free. Installation requires intermediate effort and takes about 1 hour. It comes with a 5 - year manufacturer warranty and no tuning is needed. Inside the box, you'll find a PERRIN cold air intake tube, a PERRIN dry intake filter, a PERRIN intake mounting bracket, a PERRIN license plate frame, all necessary installation hardware, and warranty & instructions. The intake uses proper MAF alignment and plumbing size to maintain correct air - fuel ratios and prevent check engine lights. The CNC - machined MAF sensor bung ensures a perfect fit. The Dryflow filter's rigid screen protects it from debris, making it great for dusty and rough driving conditions.
Using this Perrin cold air intake is easy. First, gather all the parts from the box including the intake tube, filter, mounting bracket, and hardware. It'll take you about an hour to install it, but it requires some intermediate mechanical skills. Make sure to follow the installation instructions carefully. When driving, this intake will give your Subaru WRX or STI a power boost. You'll notice better throttle response and more horsepower. For maintenance, since it has a Dryflow filter, you don't have to worry about oiling it like other filters. Just check it regularly for debris and clean it when needed. Keep it away from excessive moisture and harsh chemicals. The intake has a 5 - year manufacturer warranty, so if you have any issues, contact the manufacturer. And remember, no tuning is required for this intake to work properly.
