DC Sports Cold Air Intake for 99-00 Civic Si EM1
DC Sports Cold Air Intake for 99-00 Civic Si EM1
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Specifications
Product details shared across all variants.
- Product type
- Engine Cold Air Intake
- Category
- Motor Vehicle Engine Parts
- Item condition
- New
- Manufacturer type
- Aftermarket
- Shipping dimensions (L × W × H)
- Shipping weight
- 37.0 lb
- Barcode
- 757558401215
Billable shipping weight; may include dimensional weight.
DC Sports Cold Air Intake – 1999-2000 Honda Civic Si (EM1) – CAI5604
If you daily an EM1 or keep one as a weekend toy, you know the factory intake is basically a straw. The DC Sports Civic Si Cold Air for the 1999-2000 Honda Civic Si (EM1) fixes that. This Civic Si intake system (SKU: CAI5604) is built specifically for the B16A2, giving you sharper throttle response, smoother midrange, and a louder, cleaner induction note you’ll actually hear over the exhaust. The mandrel bent aluminum intake replaces the stock rubber snorkel with a lightweight, higher-flow path so the engine pulls in cooler, denser air where it matters.
This isn’t just about a dyno sheet. A proper cold air intake setup changes how the car reacts to your right foot. You’ll feel the Civic Si throttle response improvement right away—crisper revs, better pull past VTEC, and a more willing top end. The deeper intake tone under load makes the car feel like it should’ve from the factory. It’s a true CARB compliant Civic Si intake, so you stay legal in all 50 states and don’t have to swap back for inspections. Install is a straightforward quick install job in the driveway with hand tools, and everything you need is in the box. We run this same intake on our EM1 shop car, so what you’re buying is exactly what we trust.
Key Features
- Built specifically for the 1999-2000 Civic Si Air Intake layout with the B16A2 engine
- Part Number: CAI5604
- Mandrel bent aluminum intake tubing for smoother, higher airflow vs. factory rubber
- Draws cooler air for measurable gains in horsepower and torque on a healthy B16A2
- Deeper, more aggressive induction sound when VTEC comes on
- 50 State C.A.R.B. compliant Civic Si intake for legal street use everywhere
- Direct bolt-on, quick install Civic Si intake with all brackets, hardware, and couplers included
- Includes a DC Sports air filter Si – a high flow Civic Si air filter that’s reusable and built for performance
- Lightweight Civic Si air intake layout keeps weight off the nose while improving drivability
Fitment
- 1999-2000 Honda Civic Si (EM1) – EM1 cold air intake configuration only
