Description
Fitment:
1988-1991 Honda Civic / CRX
Features:
- Made of high-quality aluminum material for strength and durability
Lightweight high air flow racing performance spec. design
- Our air intake helps the engine to draw in more and colder air resulting in better throttle response and higher explosive horsepower output
- Improves up to 95% filtration efficiency
- This intake kit can be set up in under 60 minutes using common tools.
- It increases 5 to 10 horsepower and 6 to 8 percent of torque and improves gas mileage. It also adds a sporty, aggressive engine sound for an enhanced driving experience.
An air intake kit for a 1988-1991 Honda Civic CRX can significantly boost its performance. By allowing more air into the engine, the car can produce more horsepower and torque. This results in quicker acceleration and improved throttle response. Additionally, the cooler air drawn in can help increase engine efficiency.
Package Includes:
- 1 X Intake Pipe Kit
- Set of Couplers / Clamps / Hose / Mounting Hardware
- 1 X Cone Air Filter

1988–1991 Honda Civic & CRX Air Intake Kit FAQ
Q1: What vehicles does this Honda Civic and CRX intake kit fit?
A1: This Flashark aluminum air intake kit is listed for 1988, 1989, 1990, and 1991 Honda Civic and Honda CRX models. Because these cars were offered with different engines, fuel-injection systems, and intake layouts, compare your factory intake routing, throttle-body connection, and breather-hose locations with the product photos before ordering.
Q2: Will this intake fit a 1988–1991 Honda CRX?
A2: Yes, the product is listed for 1988–1991 Honda CRX applications with a compatible factory-style intake layout. Owners of CRX DX, HF, or Si models should still verify the throttle-body diameter, sensor provisions, hose connections, and available engine-bay clearance because the intake arrangement can vary by trim and engine.
Q3: Does this intake fit an EF Honda Civic hatchback, sedan, or wagon?
A3: The product page lists 1988–1991 Honda Civic fitment but does not separately confirm every body style and trim. EF Civic hatchbacks, sedans, and wagons can use different engine and intake configurations, so fitment should be verified from the existing intake assembly rather than from the model year alone.
Q4: Will this intake fit both DPFI and MPFI Honda engines?
A4: Do not assume that one intake configuration will automatically fit both dual-point fuel injection and multi-point fuel injection systems. DPFI and MPFI setups can use different throttle-body locations, intake tubing, vacuum connections, and engine-bay routing. Compare the supplied pipe and hose locations with your original equipment before installation.
Q5: Will this CRX intake fit a car with an engine swap?
A5: Fitment is not guaranteed on engine-swapped vehicles. A B-series, later D-series, VTEC, or other engine swap may change the throttle-body position, intake diameter, battery location, radiator clearance, and breather-hose routing. Custom couplers, brackets, tubing, or a different intake system may be required.
Q6: What is included with the Flashark CRX air intake kit?
A6: The package includes one aluminum intake pipe kit, one cone air filter, and the supplied couplers, clamps, hose, and mounting hardware. Check all components against the product images before removing the factory airbox so any fitment concern can be identified early.
Q7: How much horsepower can this intake add to a Honda CRX or EF Civic?
A7: Flashark lists a potential increase of approximately 5–10 horsepower, but actual results vary with the engine, fuel-injection system, exhaust setup, ignition condition, ambient temperature, and testing method. On a stock D-series engine, drivers are more likely to notice stronger induction sound and slightly sharper throttle response than a dramatic horsepower increase.
Q8: Is an aftermarket intake worth it on a stock Honda CRX?
A8: It can be worthwhile for an owner who wants a reusable cone filter, a lightweight aluminum intake pipe, a cleaner engine-bay appearance, and a sportier induction sound. The original Honda airbox is already effective for normal street use, so this kit should be viewed as a sound, appearance, and supporting airflow upgrade rather than a major standalone power modification.
Q9: Does this intake require an ECU tune?
A9: A tune is not normally required for a basic intake installation on an otherwise stock, correctly running 1988–1991 Civic or CRX. However, tuning may become beneficial when the intake is combined with a camshaft, header, larger throttle body, engine swap, forced induction, fuel-system changes, or other major modifications.
Q10: Will this intake cause a check engine light, rough idle, or running-rich condition?
A10: A properly installed intake should not normally create a warning light or drivability problem. Rough idle or rich running after installation is more commonly caused by a vacuum leak, disconnected breather hose, damaged intake gasket, loose clamp, incorrect hose routing, or an existing idle-control or fuel-system issue. Inspect all connections before changing ECU settings.
Q11: Will the cone-filter intake make my CRX louder?
A11: Yes. Replacing the enclosed factory airbox with an aluminum pipe and cone filter makes the engine’s induction sound more noticeable. Expect a deeper intake tone under acceleration and a sharper sound near wide-open throttle, while light cruising should remain comparatively quiet.
Q12: Can this intake improve throttle response and gas mileage?
A12: The smoother intake path may make throttle response feel more immediate, particularly if the original filter or intake tube is dirty or damaged. Fuel-economy gains are not guaranteed because engine condition, tire pressure, gearing, driving speed, fuel delivery, and throttle habits have a greater effect on MPG.
Q13: Is this a true cold air intake or a short ram intake?
A13: The kit uses an aluminum intake pipe with a cone filter, but whether it functions as a cold air or short ram setup depends on the final filter position in the specific vehicle. A filter located inside the engine bay behaves more like a short ram intake, while a filter routed toward a cooler fender area can draw lower-temperature outside air.
Q14: Is there a risk of water entering the engine?
A14: Water-ingestion risk depends on where the filter is mounted. A filter positioned low near the bumper or inner fender is more exposed to deep standing water than one located high in the engine bay. Avoid flooded roads, keep the factory splash shields installed, and inspect the filter after heavy rain or water exposure.
Q15: How long does installation take?
A15: Flashark states that the intake can be installed in under 60 minutes using common hand tools. Installation time may be longer on older cars with rusted hardware, previous modifications, missing factory parts, or swapped engines. Before starting the car, confirm that every clamp is tight and that the pipe does not contact the throttle linkage, battery terminals, cooling fan, belts, or hot exhaust components.




















