HKS 120Hiper Inner Silencer Assy

Black Ops Auto Works carries one of the largest selections of performance exhaust systems available online, with 7,700+ products covering cat-back exhausts, axle-back exhausts, turbo-back systems, downpipes, headers, mid-pipes, X-pipes, H-pipes, mufflers, resonators, catalytic converters, exhaust tips, and every component in between. Whether you're building a street car, a daily driver, a diesel truck, or a track build, the right exhaust upgrade is here. Shop by Exhaust System Type Cat-Back Exhaust Systems: The most popular performance exhaust upgrade. Replaces everything from the catalytic converter back for improved sound, better flow, and premium tip styling. Available in single exit, dual exit, and quad exit configurations. Axle-Back Exhaust Systems: A simpler bolt-on that replaces the rear section from the axle back. Best for drivers who want an improved exhaust note and cleaner tip appearance without a full system swap. Headers and Manifolds: Long tube headers and shorty h...

HKS is a Japanese manufacturer of premium performance parts founded in 1973 that has been at the forefront of turbocharged engine development, producing turbochargers, exhaust systems, engine management, intercoolers, and supporting performance components for some of the most iconic Japanese sports cars ever built. The brand's GT and GTIII turbocharger series, Super Sequential Blow Off Valves, and Racing Suction intake kits are recognized globally as benchmark-quality products that combine Japanese manufacturing precision with decades of motorsport development experience. HKS products are particularly well-known in the Toyota Supra, Mitsubishi Evo, Subaru STI, Nissan GT-R, and Honda NSX communities, where the brand's heritage in building the world's fastest versions of these cars has created a loyal following among enthusiasts who want the best available components. From a simple racing suction kit to a complete GT turbo with intercooler and ECU tune, HKS provides an end-to-end perf...

Welcome to our Muffler Silencers collection, where you'll find a carefully curated selection of high-quality muffler silencers tailored to meet your automotive needs. Our products are engineered for performance, durability, and noise reduction, ensuring a smoother and quieter driving experience. Why Choose Our Muffler Silencers? Enhanced Performance: Our muffler silencers are designed to optimize exhaust flow, improving overall engine efficiency. Noise Reduction: Experience a quieter ride while maintaining the powerful sound of your engine with our effective noise-dampening technology. Durability: Made from high-quality materials, our silencers are built to last, resisting wear and tear from harsh driving conditions. Easy Installation: Designed for straightforward installation, our products fit seamlessly into your vehicle’s exhaust system. Explore Our Range Our collection includes a variety of muffler silencers suitable for different makes and models. Whether you are lookin...

Welcome to our exclusive Mufflers & Resonators collection! We have meticulously curated options to cater to all automotive enthusiasts. Whether you seek to enhance your vehicle's sound, improve performance, or simply replace worn-out parts, you'll find the perfect solutions here. Why Choose Our Mufflers & Resonators? High Quality: Each product is made from durable materials ensuring longevity. Enhanced Performance: Our selection is designed to improve exhaust flow for better horsepower. Sound Customization: Choose from a variety of sounds to match your style—from aggressive to subtle. Easy Installation: Most products come with straightforward installation instructions. Shop Our Top Products Explore some of our best-selling Mufflers & Resonators: Performance Muffler Series High-Flow Resonators Universal Muffler Kits Custom Exhaust Systems Customer Satisfaction Guaranteed We pride ourselves on providing excellent customer service. Our team is here to help you ch...