Collection: Auto - Turbocharger Manual Boost

Take absolute mechanical control of your forced induction setup, eliminate frustrating wastegate creep, and safely dial in target manifold pressure ranges with our precision selection of Auto Turbocharger Manual Boost controllers. At DIY Customs, we provide premium manual boost controllers, specialized gated ball-and-spring detent valves, high-pressure bleed-type controllers, inline brass vacuum fittings, and heavy-duty silicone reference line hosing designed for a perfect fit on turbocharged and supercharged engines. Whether you are installing a high-accuracy aluminum manual boost valve to gain crisp throttle spool response on a custom track build, outfitting your shop bay with a simple, reliable mechanical pressure layout to manage wastegate operation on a hardworking utility truck, or replacing a leaking factory bleed line to completely cure mid-range power loss, our professional-grade tuning accessories offer the absolute pressure stability and mechanical security you need at unbeatable prices. From raw layout adjustment knobs and barb-end couplings to complete bolt-on reference line kits matching popular independent import and domestic configurations, we carry the essential engineering items to master your pressure map. Don't see your specific vacuum line fitting diameter, exact internal spring rate rating, or specialized mounting bracket configuration parameter? Hit the live chat or call 412-882-8346—we can special order and drop-ship exactly what your high-performance layout requires directly to your doorstep!