The Hydro Shield Pre-Filter from Injen has been designed and engineered from highly durable polyester. The polyester has equal micron openings that filter particles from 0.005÷ and above. All Injen's Hydro Shield Pre-Filter has undergone a treatment process at the factory, which is called the hydrophobic process. It makes this application water repellant whilst maintaining consistent air flow without any hindrance to horsepower gains from the air filter. It is very easy to install and comes in two colors black and red. It helps prevent larger debris from congesting the air filter early.

Injen, one of the most well-known brands worldwide for aftermarket air intake systems started off from a humble beginning. Ron Delgado, founder of Injen Technologies, had a passion for developing industry-changing designs and manufacturing solutions; When the demand for air intake systems rose in 1991, Ron jumped on the opportunity to make a mark on the industry he loved by launching Injen Technologies with an industry-changing patent that provided enthusiasts the world over a way to achieve improved performance without triggering the engine's CEL. To this day, Injen has never shied away from their commitment to innovate and constantly deliver products that surpasses expectations regardless of technological complexities. Today, Injen is among a handful of aftermarket air intake system manufacturers that have become a household name among enthusiasts craving for high quality and dyno-proven solutions.

Warranty Information

Intake Warranty. Injen Technology offers a Limited Lifetime Warranty to the original purchaser against defects in material and workmanship on all intake systems excluding the filter element. Injen Technology will replace at no charge, any intake pipe considered by Injen Technology to be defective. The warranty is void if the warranty card is not returned to Injen Technology within the first 30 days of purchase. Any and all warranty coverage is limited to the repair or replacement of the defective part only, at Injen Technology's discretion. Proof of purchase is required. The warranty does not cover incidental or consequential damages, nor does it cover the cost of installation or removal of the defective part or its replacement.

Exhaust Warranty. Injen Technology offers a one-year warranty to the original purchaser against defects in material and workmanship on all exhaust systems. Injen Technology will replace at no charge, any exhaust system considered by Injen Technology to be defective. Any and all warranty coverage is limited to the repair or replacement of the defective part only, at Injen Technology's discretion. Proof of purchase is required. The warranty does not cover incidental or consequential damages, nor does it cover the cost of installation or removal of the defective part or its replacement.

Air Intakes and accessories. Injen Technology offers a Limited Lifetime Warranty to the original purchaser against defects in material and workmanship on all intake systems excluding the filter element. Injen Technology will replace at no charge, any intake pipe considered by Injen Technology to be defective. The warranty is void if the warranty card is not returned to Injen Technology within the first 30 days of purchase. Any and all warranty coverage is limited to the repair or replacement of the defective part only, at Injen Technology's discretion. Proof of purchase is required. The warranty does not cover incidental or consequential damages, nor does it cover the cost of installation or removal of the defective part or its replacement. All warranty items must be sent freight prepaid with a valid RMA (Return Merchandise Authorization) number and copy of original invoice.

SES Intercoolers and exhaust systems. Injen Technology offers a one-year warranty to the original purchaser against defects in material and workmanship on all exhaust systems. SES Intercooler and exhaust systems that have been installed will not be eligible for return under any circumstances. Defective parts will be replaced or repaired as deemed necessary by Injen Technology. All other warranty issues will apply as indicated under the Air Intake section. Most exhaust and Intercooler system installations may require a lift and or specialized tools. Due to the installation complexity of automotive exhaust and Intercooler systems, Injen Technology recommends that a qualified technician perform the installation. Most local Tuner or exhaust and muffler shops offer professional installation.