{"product_id":"hks-hi-power-409-er34-4dr-rb25det","title":"HKS Hi-Power 409 Cat-Back Exhaust for 98-05 Skyline ER34 4dr RB25DET","description":"\u003ch4\u003eVehicle Fitment\u003c\/h4\u003e\u003cul\u003e \u003cli\u003eMay 1998-May 2005 Nissan Skyline ER34 4-Door (RB25DET)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFitment Notes\u003c\/h4\u003e\u003cul\u003e \u003cli\u003eFor 4-door ER34 models only\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFeatures\u003c\/h4\u003e\u003cul\u003e \u003cli\u003eDraws inspiration from endurance and GT racing in Japan, blending power with an aggressive, race-tuned sound\u003c\/li\u003e \u003cli\u003eRace-inspired offset muffler and piping design eliminates unnecessary bends for a smoother, less restrictive exhaust path\u003c\/li\u003e \u003cli\u003eLarge, smooth exhaust flow increases exhaust velocity for improved mid-range boost response and high-RPM power\u003c\/li\u003e \u003cli\u003eConstructed from durable, corrosion-resistant SUS409 stainless steel\u003c\/li\u003e \u003cli\u003eSuitable for both turbocharged and naturally aspirated applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003cul\u003e \u003cli\u003eMuffler Style: Hi-Power 409\u003c\/li\u003e \u003cli\u003eMaterial: SUS409 stainless steel\u003c\/li\u003e \u003cli\u003eTip Diameter: 120mm\u003c\/li\u003e \u003cli\u003ePipe Size: 85mm\u003c\/li\u003e \u003cli\u003ePiece Count: 2\u003c\/li\u003e \u003cli\u003eSound Level (Stock Ref.): 92 dB (closed)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eIncluded Components\u003c\/h4\u003e\u003cul\u003e \u003cli\u003e1x Hi-Power 409 Cat-Back Exhaust System (2 pieces)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eProduct Description\u003c\/h4\u003e\u003cp\u003eThe HKS 31006-AN016 is a Hi-Power 409 cat-back exhaust built for the 1998-2005 Nissan Skyline ER34 4-door with the RB25DET engine, drawing design inspiration from endurance and GT racing in Japan. Its race-inspired offset muffler and piping layout eliminate unnecessary bends, producing a smoother, less restrictive exhaust path for improved flow.\u003c\/p\u003e\u003cp\u003eThe large, smooth exhaust flow increases exhaust velocity, delivering better mid-range boost response and stronger high-RPM power whether the engine is turbocharged or naturally aspirated. Constructed from durable SUS409 stainless steel for long-term corrosion resistance, this 2-piece system is designed specifically for the ER34 4-door chassis for a direct, correct fit.\u003c\/p\u003e\u003cmeta name=\"description\" content=\"Upgrade your 98-05 Nissan Skyline ER34 with the HKS Hi-Power 409 Cat-Back Exhaust. Enhance power and sound with stainless steel durability.\"\u003e\u003cmeta name=\"keywords\" content=\"HKS Hi-Power exhaust, Nissan Skyline ER34 exhaust, cat-back exhaust system, RB25DET performance parts, stainless steel exhaust, race-inspired muffler, high-RPM power exhaust, turbocharged exhaust system, automotive aftermarket parts, durable exhaust components\"\u003e","brand":"HKS","offers":[{"title":"Default Title","offer_id":53856567689535,"sku":"HKS31006-AN016","price":850.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0832\/7308\/9343\/files\/ca544ec2-0601-4997-9156-3194bd3441f9-800.jpg?v=1782398915","url":"https:\/\/wcaperformance.com\/products\/hks-hi-power-409-er34-4dr-rb25det","provider":"WCA Performance","version":"1.0","type":"link"}