Spectre Performance Air Intake Kit: High Performance, Desgined to Increase Horsepower: Fits 1999-2007 CHEVROLET/GMC/CADILLAC (Silverado, Avalanche, Suburban, Tahoe, Sierra, Yukon, Escalade) SPE-9900

Why it's worth it

The Spectre SPE-9900 is built for GM full-size trucks and SUVs — Silverado, Tahoe, Suburban, Sierra, Yukon, Escalade and Avalanche. Spectre claims up to 50% more airflow than the stock box, and the washable cotton filter and polished aluminum tube punch above the price.

Spectre is a K&N company, and it shows in the filter. You get the same cotton gauze approach, washable and reusable, in a kit that costs a fraction of the K&N. Spectre gets there by simplifying the heat shield and standardizing parts across applications rather than by cheapening the filtration. If your budget stops well short of the premium kits, this is the honest way to get in.

The airflow claim is the point on an old GM truck. Spectre says the kit moves up to 50% more air than the restrictive factory box and tube, and full-size GM trucks are exactly where stock intake plumbing is most compromised. Owners of these platforms report better throttle response and less struggle on uphill pulls with a trailer, which is the kind of gain you actually notice.

From our review of 5 cold air intakes, by Ben Carter, Tech Editor

What we like

• +Spectre is a K&N company, and it shows in the filter
• +The airflow claim is the point on an old GM truck
• +Polished aluminum tubing at this price is unusual
• +It's an easy first mod

What to know

• –There's no fully enclosed heat shield on most configurations
• –Gains are modest and fitment is narrow
• –The filter is oiled, so the MAF caution applies here too