Injen Technology - Performance Intake Systems, Exhaust Systems, & More

Founded in 1991 by Ron Delgado in California, Injen Technology revolutionized the performance air-intake market with the first tuned intake system, combining innovative patented processes like MegaRam and Air Fusion to improve airflow, engine management, and power—without triggering check-engine lights. Operating from a modern U.S. facility in Montclair, CA, Injen engineers cold-air and short‑ram intakes, mandrel‑bent stainless exhausts, intercoolers, throttle controllers, and reusable SuperNano‑Web filters—each dyno-tested and built to OEM standards.

With four intake-related patents and a legacy spanning over 25 years, Injen’s products offer aggressive tone, solid horsepower gains, and confident fitment. Their exhaust systems feature mandrel‑bent 304‑stainless tubing, TIG welding, and lifetime warranties, designed and hand-crafted in Pomona, CA. Backed by in-house R&D, dyno, laser measuring, and global distribution, Injen continues to empower enthusiasts and racers worldwide with high-quality, performance-driven solutions—proving that true innovation is born in the U.S.A.

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Injen 13-20 Subaru BRZ/Toyota 86 2.0L 4cyl SS CB Exhaust w/ Dual Injen Embossed Muffler Injen 13-20 Subaru BRZ/Toyota 86 2.0L 4cyl SS CB Exhaust w/ Dual Injen Embossed Muffler
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Injen 13-20 Subaru BRZ/Toyota 86 2.0L 4cyl SS CB Exhaust...
The Injen Technology engineers are experts when it comes to performance, PERIOD. From Cars to Trucks to Powersports, Injen has a variety of exhaust systems...
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Injen 15-20 Subaru STI Cat Back Exhaust w/ Quad Titanium Tips Injen 15-20 Subaru STI Cat Back Exhaust w/ Quad Titanium Tips
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Injen 15-20 Subaru STI Cat Back Exhaust w/ Quad Titanium...
The Injen Performance Cat-Back Exhaust System for the 2015-2021 Subaru WRX and WRX STI was designed from the ground up to compliment the aggressive styling...
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Injen 03-03.5 Mazdaspeed Protege Turbo Polished Cold Air Intake Injen 03-03.5 Mazdaspeed Protege Turbo Polished Cold Air Intake
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Injen 03-03.5 Mazdaspeed Protege Turbo Polished Cold Air Intake
Add some easy horsepower to your Ride with this RD Series Performance cold air intake (CAI) from Injen Technology! The engineers at Injen have spent...
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Sale price$339.95 Regular price$403.50
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Injen 03-03.5 Mazdaspeed Protege Turbo Black Cold Air Intake Injen 03-03.5 Mazdaspeed Protege Turbo Black Cold Air Intake
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Injen 03-03.5 Mazdaspeed Protege Turbo Black Cold Air Intake
Add some easy horsepower to your Ride with this RD Series Performance cold air intake (CAI) from Injen Technology! The engineers at Injen have spent...
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Sale price$339.95 Regular price$403.50
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Injen 01-03 Protege 5 MP3 Polished Cold Air Intake Injen 01-03 Protege 5 MP3 Polished Cold Air Intake
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Injen 01-03 Protege 5 MP3 Polished Cold Air Intake
Add some easy horsepower to your Ride with this RD Series Performance cold air intake (CAI) from Injen Technology! The engineers at Injen have spent...
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Sale price$320.95 Regular price$380.12
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Injen 03-04 Toyota Corolla 1.8L 4cyl Polished Dyno-Tuned Cold Air Intake Injen 03-04 Toyota Corolla 1.8L 4cyl Polished Dyno-Tuned Cold Air Intake
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Injen 03-04 Toyota Corolla 1.8L 4cyl Polished Dyno-Tuned Cold Air...
Add some easy horsepower to your Ride with this RD Series Performance cold air intake (CAI) from Injen Technology! The engineers at Injen have spent...
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Sale price$325.95 Regular price$386.22
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Injen 03-04 Toyota Corolla 1.8L 4cyl Black Cold Air Intake Injen 03-04 Toyota Corolla 1.8L 4cyl Black Cold Air Intake
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Injen 03-04 Toyota Corolla 1.8L 4cyl Black Cold Air Intake
Add some easy horsepower to your Ride with this RD Series Performance cold air intake (CAI) from Injen Technology! The engineers at Injen have spent...
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Sale price$325.95 Regular price$386.22
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Injen 97-01 Sentra 2.0L Only 200SX 2.0L Only SER 2.0L Polished Cold Air Intake Injen 97-01 Sentra 2.0L Only 200SX 2.0L Only SER 2.0L Polished Cold Air Intake
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Injen 97-01 Sentra 2.0L Only 200SX 2.0L Only SER 2.0L...
Add some easy horsepower to your Ride with this RD Series Performance cold air intake (CAI) from Injen Technology! The engineers at Injen have spent...
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Sale price$319.95 Regular price$379.10
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Injen 97-01 Sentra 2.0L Only 200SX 2.0L Only SER 2.0L Black Cold Air Intake *SPECIAL ORDER* Injen 97-01 Sentra 2.0L Only 200SX 2.0L Only SER 2.0L Black Cold Air Intake *SPECIAL ORDER*
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Injen 97-01 Sentra 2.0L Only 200SX 2.0L Only SER 2.0L...
Add some easy horsepower to your Ride with this RD Series Performance cold air intake (CAI) from Injen Technology! The engineers at Injen have spent...
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Sale price$319.95 Regular price$379.10
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Injen 95-98 Mitsubishi Eclipse 4cyl (exc. Spyder) Black Cold Air Intake *SPECIAL ORDER* Injen 95-98 Mitsubishi Eclipse 4cyl (exc. Spyder) Black Cold Air Intake *SPECIAL ORDER*
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Injen 95-98 Mitsubishi Eclipse 4cyl (exc. Spyder) Black Cold Air...
Add some easy horsepower to your Ride with this RD Series Performance cold air intake (CAI) from Injen Technology! The engineers at Injen have spent...
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Sale price$319.95 Regular price$379.10
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Injen 94-97 Accord 4 Cyl. Polished Cold Air Intake Injen 94-97 Accord 4 Cyl. Polished Cold Air Intake
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Injen 94-97 Accord 4 Cyl. Polished Cold Air Intake
Add some easy horsepower to your Ride with this RD Series Performance cold air intake (CAI) from Injen Technology! The engineers at Injen have spent...
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Sale price$299.95 Regular price$355.72
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Injen 99-00 Civic Ex Hx EL(Canada) Polished Cold Air Intake Injen 99-00 Civic Ex Hx EL(Canada) Polished Cold Air Intake
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Injen 99-00 Civic Ex Hx EL(Canada) Polished Cold Air Intake
Add some easy horsepower to your Ride with this RD Series Performance cold air intake (CAI) from Injen Technology! The engineers at Injen have spent...
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Sale price$299.95 Regular price$355.72
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Injen 99-00 Civic Ex Hx EL(Canada) Black Cold Air Intake Injen 99-00 Civic Ex Hx EL(Canada) Black Cold Air Intake
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Injen 99-00 Civic Ex Hx EL(Canada) Black Cold Air Intake
Add some easy horsepower to your Ride with this RD Series Performance cold air intake (CAI) from Injen Technology! The engineers at Injen have spent...
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Sale price$299.95 Regular price$355.72
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Injen 96-98 Civic Ex Hx EL(Canada) Polished Cold Air Intake Injen 96-98 Civic Ex Hx EL(Canada) Polished Cold Air Intake
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Injen 96-98 Civic Ex Hx EL(Canada) Polished Cold Air Intake
Add some easy horsepower to your Ride with this RD Series Performance cold air intake (CAI) from Injen Technology! The engineers at Injen have spent...
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Sale price$299.95 Regular price$355.72
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Injen 96-00 Honda Civic Cx Dx Lx Black Cold Air Intake Injen 96-00 Honda Civic Cx Dx Lx Black Cold Air Intake
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Injen 96-00 Honda Civic Cx Dx Lx Black Cold Air...
Add some easy horsepower to your Ride with this RD Series Performance cold air intake (CAI) from Injen Technology! The engineers at Injen have spent...
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Sale price$299.95 Regular price$355.72
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Injen 88-91 Civic Ex Si CRX Si Polished Cold Air Intake Injen 88-91 Civic Ex Si CRX Si Polished Cold Air Intake
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Injen 88-91 Civic Ex Si CRX Si Polished Cold Air...
Add some easy horsepower to your Ride with this RD Series Performance cold air intake (CAI) from Injen Technology! The engineers at Injen have spent...
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Sale price$299.95 Regular price$355.72
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Injen 94-01 Integra GSR Black Cold Air Intake *SPECIAL ORDER* Injen 94-01 Integra GSR Black Cold Air Intake *SPECIAL ORDER*
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Injen 94-01 Integra GSR Black Cold Air Intake *SPECIAL ORDER*
Add some easy horsepower to your Ride with this RD Series Performance cold air intake (CAI) from Injen Technology! The engineers at Injen have spent...
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Sale price$293.95 Regular price$348.61
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Injen 90-93 Acura Integra Fits ABS Black Cold Air Intake **SPECIAL ORDER** Injen 90-93 Acura Integra Fits ABS Black Cold Air Intake **SPECIAL ORDER**
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Injen 90-93 Acura Integra Fits ABS Black Cold Air Intake...
Add some easy horsepower to your Ride with this RD Series Performance cold air intake (CAI) from Injen Technology! The engineers at Injen have spent...
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Sale price$290.95 Regular price$344.54
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Injen 06-09 S2000 2.2L 4Cyl. Black Cold Air Intake Injen 06-09 S2000 2.2L 4Cyl. Black Cold Air Intake
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Injen 06-09 S2000 2.2L 4Cyl. Black Cold Air Intake
Add some easy horsepower to your Ride with this RD Series Performance cold air intake (CAI) from Injen Technology! The engineers at Injen have spent...
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Sale price$349.95 Regular price$414.68
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Injen 98-99 RS 2.5L Polished Cold Air Intake Injen 98-99 RS 2.5L Polished Cold Air Intake
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Injen 98-99 RS 2.5L Polished Cold Air Intake
Add some easy horsepower to your Ride with this RD Series Performance cold air intake (CAI) from Injen Technology! The engineers at Injen have spent...
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Sale price$360.95 Regular price$427.90
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Injen 98-99 RS 2.5L Black Cold Air Intake Injen 98-99 RS 2.5L Black Cold Air Intake
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Injen 98-99 RS 2.5L Black Cold Air Intake
Add some easy horsepower to your Ride with this RD Series Performance cold air intake (CAI) from Injen Technology! The engineers at Injen have spent...
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Sale price$360.95 Regular price$427.90
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Injen 00-01 RS 2.5L Polished Cold Air Intake Injen 00-01 RS 2.5L Polished Cold Air Intake
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Injen 00-01 RS 2.5L Polished Cold Air Intake
Add some easy horsepower to your Ride with this RD Series Performance cold air intake (CAI) from Injen Technology! The engineers at Injen have spent...
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Sale price$356.95 Regular price$423.83
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Injen 02-06 Subaru WRX (No Wagon) / 04 STi Wrinkle Red Cold Air Intake *Special Order* Injen 02-06 Subaru WRX (No Wagon) / 04 STi Wrinkle Red Cold Air Intake *Special Order*
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Injen 02-06 Subaru WRX (No Wagon) / 04 STi Wrinkle...
Add some easy horsepower to your Ride with this RD Series Performance cold air intake (CAI) from Injen Technology! The engineers at Injen have spent...
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Sale price$321.95 Regular price$381.14
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Injen 02-07 WRX (No Wagon) / 04 STi Polished Cold Air Intake Injen 02-07 WRX (No Wagon) / 04 STi Polished Cold Air Intake
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Injen 02-07 WRX (No Wagon) / 04 STi Polished Cold...
Add some easy horsepower to your Ride with this RD Series Performance cold air intake (CAI) from Injen Technology! The engineers at Injen have spent...
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Sale price$321.95 Regular price$381.14
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