{"product_id":"blox-racing-4-0inch-composite-velocity-stack","title":"BLOX Racing 4.0inch Composite Velocity Stack","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003eBXIM-00307\u003c\/span\u003e\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eBLOX Racing 4.0inch Composite Velocity Stack BXIM-00307 Fits 2002-2011 Honda Civic Si Acura RSX K-Series\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eBLOX Racing 4.0inch composite velocity stack enhances intake airflow on K-series engines. It bolts onto BLOX intake manifolds for 2002-2006 Acura RSX and 2002-2011 Honda Civic Si models. This design channels air smoothly into the plenum for better throttle response and horsepower gains across the RPM range.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eComposite Material:\u003c\/strong\u003e High-temperature molded construction resists heat and keeps weight under 4 ounces for reduced engine stress\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4.0 Inch Diameter:\u003c\/strong\u003e Matches 70mm throttle body inlets on BLOX manifolds to support high-volume airflow without restriction\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBellmouth Entry:\u003c\/strong\u003e Smooth curved lip eliminates turbulence and accelerates incoming air for improved cylinder filling\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolt-On Fitment:\u003c\/strong\u003e Direct attachment to BLOX plenum-style intake manifolds like BXIM-00300 series with included hardware\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance Tuning:\u003c\/strong\u003e Increases mid-range torque and top-end power ideal for track or street driven imports\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePair with BLOX Racing intake manifold for best results on modified K20 or K24 engines\u003c\/li\u003e\n\u003cli\u003eInspect throttle body gasket during install to ensure airtight seal\u003c\/li\u003e\n\u003cli\u003ePackages in foam-lined box measuring 6 x 6 x 4 inches for protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProfessional installation recommended.\u003c\/li\u003e\n\u003cli\u003eRemove stock air inlet cover and align stack with manifold opening\u003c\/li\u003e\n\u003cli\u003eUses M6 bolts compatible with BLOX BXIM-00300 BXIM-00301 manifolds no drilling needed\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eThis Part Fits\u003c\/h4\u003e\n\u003ctable border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2002-2004\u003c\/td\u003e\n\u003ctd\u003eAcura\u003c\/td\u003e\n\u003ctd\u003eRSX\u003c\/td\u003e\n\u003ctd\u003eType-S K20A2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2005-2006\u003c\/td\u003e\n\u003ctd\u003eAcura\u003c\/td\u003e\n\u003ctd\u003eRSX\u003c\/td\u003e\n\u003ctd\u003eType-S K20Z1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2002-2005\u003c\/td\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003eCivic Si\u003c\/td\u003e\n\u003ctd\u003eEP3 K20A3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2006-2011\u003c\/td\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003eCivic Si\u003c\/td\u003e\n\u003ctd\u003eFA5\/FG2 K20Z3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhy Choose BLOX Racing?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e20 years leading import performance parts for Honda enthusiasts\u003c\/li\u003e\n\u003cli\u003eFocuses on airflow dynamics tested on dyno and track\u003c\/li\u003e\n\u003cli\u003eManufactures in-house for consistent fit and finish quality\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Will this fit non-BLOX intake manifolds on K20 engines?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Designed specifically for BLOX plenum manifolds like BXIM-00300. Inlet flange matches 4 inch opening on these units. Adapters may be needed for others.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What material resists engine bay heat?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Injection-molded high-temp composite plastic withstands 250F degrees without warping or cracking unlike aluminum options.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e How long does install take?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e 15-30 minutes with basic hand tools. Bolt directly after removing air inlet. No tuning required for basic setup.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eShipping \u0026amp; Handling\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMethod:\u003c\/strong\u003e UPS Ground or USPS Priority Mail\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e In stock - ships same or next business day\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e 6 x 6 x 4 inch box with protective inserts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.4 lbs product shipping weight\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BLOX Racing","offers":[{"title":"Default Title","offer_id":43748697014351,"sku":"BLOBXIM-00307","price":50.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/blox-racing-4_0inch-composite-velocity-stack-blox-racing.jpg?v=1767415087","url":"https:\/\/www.blackopsautoworks.com\/products\/blox-racing-4-0inch-composite-velocity-stack","provider":"Black Ops Auto Works","version":"1.0","type":"link"}