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The factory DC2/DB8 Integra airbox with its paper panel filter was fine for 1994 — but any B-series engine that's been driven for two decades deserves better airflow than a restrictive plastic box designed to meet mid-90s NVH targets. The rubber intake snorkel snakes through the engine bay with multiple bends, and the small-diameter piping chokes the B18's ability to breathe freely above 4,000 RPM — exactly where VTEC crossover should be waking up, not falling off.
This Flashark Red Ram Air Intake replaces the entire factory airbox and intake tract with a mandrel-bent T-304 aluminum pipe finished in a vibrant red polished powder coat. The larger-diameter tube eliminates the factory choke points, and the open-element high-flow dry cone filter draws a denser, less-restricted air column directly into the throttle body.
The result: sharper throttle response off idle, stronger pull through the 3,800–5,800 RPM mid-range, and the unmistakable B18 induction growl that the factory airbox spent two decades trying to silence. Fits all 1994–2001 Acura Integra models equipped with the 1.8L B18B1 (non-VTEC) or B18C1 (GS-R VTEC) engine — RS, LS, GS, SE, and GS-R, in both coupe/hatchback and sedan body styles.
No tune, no cutting, no fabrication. Install in 30–60 minutes with basic hand tools.
Key Features
1. Red Polished T-304 Aluminum Intake Pipe
This is the red variant — a polished T-304 aluminum pipe finished with a vibrant red powder coat that stands out against the Integra's engine bay. T-304 stainless-grade aluminum provides excellent strength-to-weight ratio and resists corrosion from underhood heat cycles. The mandrel-bent construction preserves full interior bore diameter through every bend, unlike crush-bent pipes that collapse the inner wall.
2. Replaces the Entire Factory Intake Tract
The stock DC2/DB8 intake path runs from a restrictive plastic airbox housing a paper panel filter, through a narrow rubber snorkel with tight-radius bends, to the throttle body. This kit eliminates everything from filter to throttle body, replacing it with a straight-shot design that flows more air with less turbulence.
3. High-Flow Dry Cone Filter — Washable, No Oil Required
The included open-element cone filter uses a dry media design — no oil to apply, no cleaning schedule to track, and no risk of over-oiling contaminating the intake air temperature (IAT) sensor. The open-element design exposes the filter to ambient engine bay air for maximum flow. When it gets dirty: tap it clean or wash it, dry thoroughly, and reinstall — zero recurring cost.
4. Gains Across the Mid-Range (+8–10% HP/TQ)
On the B18 engine, the factory intake restriction is most pronounced in the 3,500–6,000 RPM range. By eliminating the paper filter and accordion tubing, this intake delivers a measurable 8–10% horsepower and torque improvement across the mid-range — exactly where you feel it pulling out of corners and accelerating on the highway.
5. Faster, More Responsive Throttle
Without the factory airbox and snorkel acting as a muffled buffer between the throttle plate and incoming air, throttle response becomes noticeably more immediate. The engine reacts quicker to pedal inputs at low RPM and reaches higher RPM more eagerly. This is one of the most satisfying changes on a daily-driven Integra.
6. The B18 Induction Sound the Factory Muted
The DC2/DB8 Integra's factory intake was deliberately silenced with resonator boxes and thick plastic walls to keep cabin NVH low. Removing that hardware reveals the B18's natural induction character — a deep, mechanical growl under hard throttle that transitions into the classic VTEC crossover bark. Around-town driving remains civil; only when you push the pedal do you hear the difference.
7. Direct Bolt-On — No Cutting, No Tuning Required
Every bracket, coupler, and clamp is included in the kit and matched to the factory Integra mounting points. The pipe slides onto the throttle body using the supplied silicone coupler. There is no requirement for an ECU tune — the factory ECU adapts to the increased airflow naturally over 50–100 miles of driving. For faster adaptation, disconnect the battery for 10 minutes after installation to reset the ECU's fuel trims.
8. 30–60 Minute DIY Install
This is one of the easiest bolt-on upgrades on the DC2/DB8 platform. You need basic hand tools: 10 mm and 12 mm sockets, a flathead screwdriver for hose clamps, and 15 minutes to review the included instructions. Remove the factory airbox, snorkel, and resonator box. Mount the Flashark pipe to the throttle body with the silicone coupler and stainless clamps. Attach the filter to the open end. Done.
Why Upgrade the Integra Intake?
| What Changes | Stock Factory Intake | Flashark Red Ram Air CAI |
|---|---|---|
| Intake Pipe Material | Plastic airbox + rubber snorkel | Mandrel-bent T-304 aluminum (red powder-coated) |
| Air Filter | Disposable paper panel filter | Washable dry cone filter (high-flow, reusable) |
| Restriction at 5,500 RPM | High — paper filter + narrow snorkel + tight bends | Low — open-element cone + larger-diameter smooth bore |
| Throttle Response | Soft, buffered by airbox volume | Immediate, direct pipe from filter to throttle body |
| Induction Sound | Muffled — factory resonator boxes silence intake roar | Deep B18 induction growl, VTEC crossover bark under WOT |
| Power Gain | Factory baseline | +8–10% HP/TQ in mid-range (3,500–6,000 RPM) |
Specifications
- Material: T-304 Aluminum
- Tubing Finish: Red powder-coated (polished red variant)
- Piping Process: Mandrel-bent
- Pipe Diameter: 2.75" – 3.0"
- Filter Type: Dry
- Filter Service: Washable and reusable
- Coupler Material: Reinforced silicone
- Clamp Type: Stainless steel hose clamps
- Estimated Power Gain: 8–10% HP/TQ
- Compatible Engine: Honda B18B1 (non-VTEC) / B18C1 (GS-R VTEC) — 1.8L DOHC Naturally Aspirated
- Vehicle Platform: DC2 (3-door hatchback/coupe), DB8 (4-door sedan)
- Estimated Install Time: 30–60 minutes
- Tuning Required: No — ECU adapts naturally; battery disconnect recommended for faster adaptation
- Warranty: 1 Year
Package Includes
- 1× Mandrel-bent aluminum intake pipe
- 1× High-flow washable dry cone air filter
- 1× Reinforced silicone throttle body coupler
- 3× Stainless steel hose clamps
- 1× Mounting bracket with hardware (bolts, washers)
- 1× Installation instructions
| Year | Make | Model | Trim | Engine |
|---|---|---|---|---|
| 1994–2001 | Acura | Integra | RS | 1.8L B18B1 DOHC |
| 1994–2001 | Acura | Integra | LS | 1.8L B18B1 DOHC |
| 1994–2001 | Acura | Integra | GS | 1.8L B18B1 DOHC |
| 1994–2001 | Acura | Integra | SE | 1.8L B18B1 DOHC |
| 1994–2001 | Acura | Integra | GS-R | 1.8L B18C1 DOHC VTEC |
This intake fits both the DC2 (3-door hatchback/coupe) and DB8 (4-door sedan) body styles. The throttle body location, intake routing, and mounting points are identical across the two body types.
⚠️ Fitment Note: The original factory page fitment table lists only "GS-R Sedan 4-Door." This is incomplete — the intake pipe, throttle body coupler, and mounting bracket are mechanically identical across all B18-equipped 1994–2001 Integra trims (RS, LS, GS, SE, GS-R) in both coupe and sedan body styles. The B18B1 and B18C1 share the same throttle body flange and intake routing geometry.
1994–2001 Acura Integra B18 Red Cold Air Intake FAQ
Q1: Will this cold air intake fit my 1994–2001 Acura Integra?
A1: This intake kit is designed for 1994, 1995, 1996, 1997, 1998, 1999, 2000, and 2001 Acura Integra models equipped with a factory-style 1.8L B18B1 or B18C1 engine. Compatible trims listed on the product page include RS, LS, GS, SE, and GS-R. Before ordering, confirm your engine code, throttle-body position, intake routing, and any previous engine-bay modifications.
Q2: Does this intake fit both the Integra GS-R B18C1 and non-VTEC B18B1 engines?
A2: Yes. The product page lists the B18C1 DOHC VTEC engine used in the GS-R and the B18B1 DOHC non-VTEC engine commonly found in RS, LS, GS, and SE models. The included pipe and coupler are designed around the factory-style throttle-body and intake arrangement used by these applications. Fitment may change if the vehicle has an aftermarket intake manifold or throttle body.
Q3: Will this intake fit both an Integra coupe and sedan?
A3: Yes. The listed applications include the DC2 three-door coupe or hatchback and the DB8 four-door sedan. Both body styles use a similar engine-bay intake layout when equipped with the compatible B18 engine. Check for aftermarket batteries, strut bars, engine swaps, or relocated components that could interfere with the intake pipe or filter.
Q4: Will this intake fit an Acura Integra Type R?
A4: No direct Type R fitment is claimed. The Integra Type R uses the B18C5 engine and may have a different throttle body, intake manifold, and intake configuration from the B18B1 and B18C1 applications. Do not order this intake for a Type R solely because it belongs to the same Integra generation.
Q5: Will this intake fit a Civic with a B18 engine swap?
A5: Fitment is not guaranteed for a B-swapped Civic. The intake pipe is shaped for a factory DC2 or DB8 Integra engine bay with the B18 engine in its original mounting position. A Civic swap can place the engine, throttle body, radiator, battery, brake master cylinder, and wiring in different locations, so custom piping, couplers, or brackets may be required.
Q6: Is this a true cold air intake or a short ram intake?
A6: Although the product is sold as a cold air intake kit, its open filter remains high inside the engine bay behind the headlight rather than extending deep into the bumper or lower fender area. Mechanically, that makes the layout closer to a short ram intake. This design provides a shorter airflow path, easier filter access, stronger induction sound, and less exposure to standing water than a low-mounted long-tube intake.
Q7: How much horsepower can this Integra intake add?
A7: The product page advertises an estimated 8–10% improvement in horsepower and torque, but that should be treated as a potential result rather than a guaranteed gain. Actual output depends on engine condition, intake-air temperature, ECU calibration, exhaust flow, fuel quality, elevation, testing method, and supporting modifications. On a mostly stock B18 engine, the change in intake sound and throttle response may be easier to notice than the peak horsepower increase.
Q8: Do I need an ECU tune after installing this intake?
A8: A custom tune is not normally required for a properly installed intake on an otherwise stock B18B1 or B18C1 engine. These engines use a MAP-based speed-density system rather than relying on a mass airflow sensor in the intake pipe. Professional tuning becomes more valuable when the intake is combined with camshafts, a larger throttle body, an aftermarket intake manifold, headers, higher compression, larger injectors, or other major modifications.
Q9: Will this intake make the B18 or VTEC crossover sound louder?
A9: Yes. Removing the factory airbox and resonator allows more induction noise to reach the cabin, especially during wide-open throttle and higher-RPM operation. On a B18C1 GS-R, the transition into the VTEC cam profile should sound more pronounced. The intake changes sound from the engine bay and does not create the same tone as a header, muffler, or cat-back exhaust.
Q10: Will this intake improve throttle response?
A10: The larger, smoother intake pipe and open cone filter are designed to reduce restriction before the throttle body. This can make throttle response feel more immediate, especially during rolling acceleration and higher-RPM driving. Results vary with engine health, intake temperature, ECU condition, transmission, and other modifications.
Q11: Can this intake cause a check engine light, rough idle, or hesitation?
A11: A correctly installed intake should not automatically cause a check engine light. Common causes of problems after installation include a loose throttle-body coupler, an open vacuum or breather port, a disconnected intake-air temperature sensor, damaged wiring, or an intake leak. Inspect every hose, clamp, sensor, and sealing surface if the engine idles poorly or hesitates after installation.
Q12: Is this intake safe to use in rain?
A12: The filter remains high in the engine bay, so normal rain and wet-road driving should not submerge it when the hood and inner fender protection are intact. However, the system is not waterproof. Avoid deep standing water and flooded roads because any intake can draw water into the engine if its filter or opening becomes submerged.
Q13: Does this kit use an oiled or dry air filter?
A13: The included cone filter uses washable and reusable dry filter media, so filter oil is not required. This simplifies maintenance and avoids problems associated with applying too much filter oil. After cleaning, allow the filter to dry completely before reinstalling it, and make sure it is fully seated and securely clamped to the intake pipe.
Q14: Is the intake pipe actually red?
A14: Yes. This is the red version of the Integra intake kit, featuring a red powder-coated mandrel-bent metal pipe designed to stand out in the engine bay. The finish is a cosmetic difference and does not change the basic fitment or operating principle of the intake. Inspect the coating periodically for damage caused by contact with nearby bodywork or engine components.
Q15: How difficult is it to install this Acura Integra intake?
A15: The kit is designed as a bolt-on upgrade that can typically be installed in approximately 30–60 minutes with basic hand tools. Installation involves removing the original airbox and resonator, connecting the new pipe to the throttle body, reconnecting the required sensor and breather hose, securing the mounting bracket, and attaching the filter. Before driving, confirm that the pipe does not contact the hood, battery, wiring, radiator hose, or moving components, and recheck every clamp after the first test drive.
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