BSTFLEX is a factory who makes all kinds of automotive heat shield products, custom design and custom package upon request. We have a full line of automotive thermal management products made by ourself.
High-performance Battery Fire Containment Bag designed for lithium battery fire safety, storage, charging, and transport. Fireproof, heat-resistant, reusable, and customizable for industrial and aviation applications.
The Hood Engine Bay Heat Shield provides superior thermal protection and noise reduction, offering a durable upgrade to standard OEM hood insulation. Available in multiple materials—fiberglass, PET, carbonized fiber, embossed aluminum, and aluminum-fiberglass composites—it effectively reflects heat, protects engine components, and enhances underhoo1
The Battery Thermal Protective Case is engineered to safeguard batteries from extreme temperatures, dust, and chemical exposure. Made from non-combustible, eco-friendly materials, it effectively extends battery lifespan by up to two times. Fully customizable in size and available in multiple material options, the case offers reliable protection, ac1
The Spark Plug Wire Thermal Sleeve offers exceptional protection for your ignition wires against the intense heat from headers. Made from woven fiberglass with a heat-resistant silicone shell, it withstands direct heat up to 500°F and radiant heat up to 1200°F. With up to 8,000 volts of extra insulation, it enhances dielectric strength and prevents1
Enhance engine performance with the LAVA Header Heat Shield Blanket. Designed to keep more heat in your headers and exhaust system, it boosts exhaust gas temperatures and velocity, improving flow and efficiency. This single-piece shield covers half of the primary tubes, reducing under-hood heat by up to 60%—far more effectively than traditional wra1
The Heat Shield Header Armor Blanket offers exceptional under-hood insulation, reducing temperatures by up to 40%. Designed to withstand up to 1,800°F continuously and 2,200°F intermittently, it features an abrasion-resistant exterior and a chemical-blocking aluminum layer. Easy to install and modify, it fits most headers without requiring removal 1
The Header Manifold Blanket offers exceptional heat management with its dual-layer design. Featuring a heat-resistant fabric side that endures up to 1000˚F and an aluminized surface that protects against radiant heat up to 2000˚F, it ensures superior defense against heat, abrasion, and spills. Available in two sizes—two 20” x 24” blankets for V6 an1
Enhance your vehicle's performance and comfort with our Catalytic Converter Heat Shield. Designed to reduce radiant heat by up to 70%, this shield ensures cooler interior temperatures and protects transmissions from overheating. Suitable for both OEM and aftermarket converters, it features a durable, water- and chemical-resistant aluminum shell. Ea1
Our Aluminized Oil Filter Heat Shield effectively prevents heat soak into the oil filter, maintaining optimal oil viscosity and prolonging engine life. Featuring durable aluminized construction and easy peel-and-stick installation, it's ideal for enhancing engine performance in high-demand environments.