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The HKS Hi-Power 409 Exhaust System (part 31006-AN014) is a high-performance cat-back exhaust designed for the Nissan Skyline ECR33 equipped with the RB25DET engine. This system features a straight-through design with a large 120mm tip and optimized 95mm piping for maximum exhaust flow, delivering improved horsepower, torque, and a deep, aggressive exhaust note. Constructed from durable S409 stainless steel, the Hi-Power 409 is engineered for both street and track use, providing better throttle response and a more exhilarating sound while maintaining reliability. The system is a direct bolt-on replacement that requires no modifications, making it a popular choice among Skyline enthusiasts looking for a balance of performance, sound, and value.
| Spec | Detail |
|---|---|
| Part Number | 31006-AN014 |
| Brand | HKS |
| Type | Hi-Power 409 Cat-Back Exhaust System |
| Compatibility | 1993-1998 Nissan Skyline ECR33 RB25DET |
| Material | S409 Stainless Steel |
| Tip Diameter | 120mm |
| Center Pipe Diameter | 95mm |
| Country of Origin | Japan |
| Warranty | HKS Limited Warranty |
| Year Range | Make | Model | Engine | Notes |
|---|---|---|---|---|
| 1993-1998 | Nissan | Skyline ECR33 | RB25DET Turbo | Hi-Power 409 Cat-Back Exhaust System |
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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...
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