No matter the condition of your 1984 DeVille, OPGI has the Intake Manifolds products you need to boost performance and get you back on the road. We currently carry sixteen Intake Manifolds items to choose from for your 1984 DeVille, and our Price Match Guaranteed prices range from as little as $145.99 up to $4,848.99. OPGI offers Lokar plus one other trusted brands of Intake Manifolds products for your 1984 DeVille, to help you find quality parts you can rely on. With OPGI's 45-day return policy, you can shop with the utmost confidence. Enjoy parts delivered directly to your home, or visit our sunny Southern California Showroom & Warehouse to check out our Intake Manifolds items in person.