{"title":"Verus Engineering - Porsche 981 Cayman \u0026 GT4","description":"\u003cp\u003eThe 981 GT4 arrived with real aero intent from the factory, and the standard 981 Cayman shares the same excellent chassis underneath. Verus builds for both — a full package for the GT4 that meaningfully exceeds what the factory wing and lip can do, and diffuser and underbody work that lifts the standard car.\u003c\/p\u003e\u003ch2\u003eWhat's available for the 981\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRear Wing Kit — 981 GT4\u003c\/strong\u003e — the large-format wing, a substantial step past the factory item\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUCW Rear Wing Kit — 981 \/ 718 GT4\u003c\/strong\u003e — optimized airfoil, billet mounts, carbon endplates\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFront Splitter and Air Dam Kit — 981 GT4\u003c\/strong\u003e — the matching front element (ships on a pallet)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarbon Rear Diffuser — 981 Cayman\u003c\/strong\u003e — fits the standard car as well as the GT4\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSide Splitter Kit — 981 GT4\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eDive Plane Kit, Dual Elements — 981 GT4\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnderbody Cover Kit\u003c\/strong\u003e and \u003cstrong\u003eHigh Performance Dry Air Filter\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGT4 vs standard 981 Cayman\u003c\/h2\u003e\u003cp\u003eThe splitter, side splitters and dive planes are contoured to the GT4 bodywork and will not fit a standard 981 bumper. The rear diffuser and underbody cover fit the broader 981 range. Each listing states its fitment — worth reading closely, because the GT4-specific parts are the majority of this collection.\u003c\/p\u003e\u003ch2\u003eBuilding the package\u003c\/h2\u003e\u003cp\u003eThe 981 GT4's factory balance is reasonably neutral, which means adding a big rear wing alone will move it toward understeer. The front splitter and air dam kit is the correct partner for the rear wing, and the dual element dive planes give you a way to trim balance forward afterward without pulling the splitter off. The rear diffuser adds downforce with almost no drag penalty and works considerably better with the underbody cover ahead of it.\u003c\/p\u003e\u003ch2\u003eShipping note\u003c\/h2\u003e\u003cp\u003eThe 981 GT4 front splitter and air dam kit is a large, heavy item that ships on a pallet by freight rather than parcel. Contact us before ordering if you need a delivery quote or have a restricted delivery address.\u003c\/p\u003e","products":[{"product_id":"verus-engineering-v1x-rear-wing-kit-porsche-981-718-gt4-a0149a","title":"Verus Engineering V1X Rear Wing Kit - Porsche 981 \/ 718 GT4 - A0149A","description":"\u003cp\u003eA 300mm swan neck wing that dramatically improves rear-end grip at speed. Swan neck mounting hangs the element from above, leaving the low-pressure underside undisturbed — more downforce for the same drag. CFD-optimized and validated on track, where Verus recorded lap time reductions of 2.5 to 3.3 seconds.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCFD-optimized airfoil with a high lift-to-drag ratio\u003c\/li\u003e\n\u003cli\u003eGenerates over 700 lbs of downforce at 120 mph\u003c\/li\u003e\n\u003cli\u003e15 adjustment angles, from -1 to 14 degrees\u003c\/li\u003e\n\u003cli\u003eComplete wing assembly weighs under 9 lbs\u003c\/li\u003e\n\u003cli\u003eBolts to OEM mounting points\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWing:\u003c\/strong\u003e 2x2 twill 3k pre-preg carbon fiber, 300mm chord\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStructure:\u003c\/strong\u003e Carbon inner rib, carbon vented endplates\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounts and uprights:\u003c\/strong\u003e Machined 6061-T6 aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardware:\u003c\/strong\u003e Stainless steel throughout\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCarbon rear wing\u003c\/li\u003e\n\u003cli\u003e(2) Carbon vented endplates\u003c\/li\u003e\n\u003cli\u003e(2) Billet swan neck mounts and (2) uprights\u003c\/li\u003e\n\u003cli\u003e(2) Trunk beauty plates\u003c\/li\u003e\n\u003cli\u003eGurney flap, trunk strut and VHB tape\u003c\/li\u003e\n\u003cli\u003eComplete hardware kit\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003ePorsche 981 GT4 and Porsche 718 GT4\u003c\/p\u003e","brand":"Verus Engineering","offers":[{"title":"Default Title","offer_id":54611113771283,"sku":"A0149A","price":6499.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/1487\/4131\/files\/unnamed_66ed298e-dd84-462a-a23d-a96e206aa309.jpg?v=1787687434"},{"product_id":"verus-engineering-carbon-rear-diffuser-kit-porsche-981-cayman-gt4-a0150a","title":"Verus Engineering Carbon Rear Diffuser Kit - Porsche 981 Cayman GT4 - A0150A","description":"\u003cp\u003eA carbon fiber rear diffuser engineered for the Porsche 981 GT4 using CAD modeling and ANSYS Fluent analysis. The assembly combines carbon fiber, sheet metal and hard rubber, giving both the look and the actual aerodynamic function. Installation needs no drilling or fabrication.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eIncreased downforce with reduced drag\u003c\/li\u003e\n\u003cli\u003eFlows seamlessly with the factory rear bumper lines\u003c\/li\u003e\n\u003cli\u003eReplaceable strakes — the wear item can be renewed rather than the whole diffuser\u003c\/li\u003e\n\u003cli\u003eModular design compatible with the flat underbody cover\u003c\/li\u003e\n\u003cli\u003eNo drilling or fabrication required\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiffuser planes:\u003c\/strong\u003e 2x2 twill, autoclave-cured carbon fiber, 1.5mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReinforcement:\u003c\/strong\u003e Bonded carbon strengthening sections\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrackets:\u003c\/strong\u003e CNC laser-cut and bent 5052 aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrakes:\u003c\/strong\u003e Durable polyurethane\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardware:\u003c\/strong\u003e Stainless steel throughout\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eLeft, center and right diffuser planes\u003c\/li\u003e\n\u003cli\u003e(4) Brackets\u003c\/li\u003e\n\u003cli\u003e(4) Hard rubber strakes\u003c\/li\u003e\n\u003cli\u003eComplete hardware kit\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003ePorsche 981 Cayman GT4. Slight trimming may be needed when installing alongside the OEM GT4 muffler.\u003c\/p\u003e","brand":"Verus Engineering","offers":[{"title":"Default Title","offer_id":54611113836819,"sku":"A0150A","price":2199.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/1487\/4131\/files\/unnamed_b7a0bc86-e244-4f57-9e71-92f5151312a2.jpg?v=1787687436"},{"product_id":"verus-engineering-front-splitter-air-dam-kit-porsche-981-gt4-a0153a","title":"Verus Engineering Front Splitter and Air Dam Kit - Porsche 981 GT4 - A0153A","description":"\u003cp\u003eThe full front aero treatment for the 981 GT4: a carbon thermoplastic splitter with carbon air dam, spill plates and splitter diffusers. It greatly increases front-end downforce while staying street-able, and it is the correct partner for a large rear wing — adding wing without this will push the front at speed.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSubstantially increases front-end downforce\u003c\/li\u003e\n\u003cli\u003eSupports high-downforce rear wing configurations\u003c\/li\u003e\n\u003cli\u003eLoad capacity of 300+ lbs\u003c\/li\u003e\n\u003cli\u003eCarbon thermoplastic resists cracking and bending, unlike carbon fiber or aluminum\u003c\/li\u003e\n\u003cli\u003eNon-invasive installation\u003c\/li\u003e\n\u003cli\u003eBuilt from materials used in IndyCar, NASCAR and F1\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSplitter body:\u003c\/strong\u003e Carbon thermoplastic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAir dam:\u003c\/strong\u003e Pre-preg carbon fiber, autoclave cured\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrackets:\u003c\/strong\u003e (10) CNC-cut and bent aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardware:\u003c\/strong\u003e Stainless steel throughout, aircraft-grade nut plates in the air dam\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCarbon composite splitter\u003c\/li\u003e\n\u003cli\u003eCarbon front air dam\u003c\/li\u003e\n\u003cli\u003e(2) Carbon spill plates\u003c\/li\u003e\n\u003cli\u003e(2) Carbon splitter diffusers\u003c\/li\u003e\n\u003cli\u003e(10) Aluminum brackets\u003c\/li\u003e\n\u003cli\u003eComplete hardware kit\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003ePorsche 981 Cayman GT4. Part of the Ventus 2 aerodynamic package.\u003c\/p\u003e\u003ch3\u003eShipping\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eThis item ships on a pallet by freight, not parcel.\u003c\/strong\u003e Please contact us before ordering if you need a delivery quote or have a restricted delivery address.\u003c\/p\u003e","brand":"Verus Engineering","offers":[{"title":"Default Title","offer_id":54611113902355,"sku":"A0153A","price":5899.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/1487\/4131\/files\/unnamed_32e70fcf-89d9-457c-a4d3-1718efd67621.jpg?v=1787687435"},{"product_id":"verus-engineering-dual-element-dive-plane-kit-porsche-981-gt4-a0151a","title":"Verus Engineering Dual Element Dive Plane Kit - Porsche 981 GT4 - A0151A","description":"\u003cp\u003eThese dual-element dive planes increase front-end downforce, raise high-pressure airflow into the factory intake duct, and keep the drag increase minimal. The kit was designed from CAD scan data and optimized in ANSYS Fluent, then built from 1.5mm autoclaved carbon fiber.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCFD optimized dual-element design\u003c\/li\u003e\n\u003cli\u003eShifts aero balance forward to enhance front-end grip\u003c\/li\u003e\n\u003cli\u003eIncreases high-pressure airflow to the factory intake duct\u003c\/li\u003e\n\u003cli\u003eLets you fine-tune balance with a forward bias\u003c\/li\u003e\n\u003cli\u003eInstalls bolt-on or with double-sided tape using the included templates\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 2x2 weave carbon fiber, autoclave cured, 1.5mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e UV-resistant automotive-grade clear coat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Pre-cut 3M VHB double-sided tape for each plane\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardware:\u003c\/strong\u003e Stainless steel throughout\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e(4) Dive planes — upper and lower, left and right\u003c\/li\u003e\n\u003cli\u003eInstall template\u003c\/li\u003e\n\u003cli\u003e(4) Pieces of 3M VHB tape\u003c\/li\u003e\n\u003cli\u003eComplete hardware kit\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003ePorsche 981 Cayman GT4\u003c\/p\u003e\u003cp\u003e\u003cem\u003eAvailable in gloss or matte clear coat — contact us to specify your preference when ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Verus Engineering","offers":[{"title":"Default Title","offer_id":54611117998355,"sku":"A0151A","price":1099.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/1487\/4131\/files\/unnamed_576fc37f-f585-483b-b87f-cbd3d769c08e.jpg?v=1787687514"},{"product_id":"verus-engineering-flat-underbody-panel-kit-porsche-981-cayman-gt4-a0162a","title":"Verus Engineering Flat Underbody Panel Kit - Porsche 981 Cayman GT4 - A0162A","description":"\u003cp\u003eThis kit fills the gap in the 981's underbody, smoothing the airflow feeding the rear diffuser and cutting drag. CFD analysis puts the reduction at 0.007 coefficient of drag — seven points. If you are running the Verus rear diffuser, this is the part that lets it work properly.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eReduces drag\u003c\/li\u003e\n\u003cli\u003eImproves rear diffuser performance\u003c\/li\u003e\n\u003cli\u003eBetter fuel efficiency as a side benefit\u003c\/li\u003e\n\u003cli\u003eSimple installation with the included rivet-nut tool\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e CNC-cut and CNC-bent 5052 aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black powder coat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardware:\u003c\/strong\u003e Stainless steel throughout\u003c\/li\u003e\n\u003cli\u003eManufactured in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eLeft-hand underbody panel\u003c\/li\u003e\n\u003cli\u003eRight-hand underbody panel\u003c\/li\u003e\n\u003cli\u003e(2) Mounting brackets\u003c\/li\u003e\n\u003cli\u003eComplete hardware kit and rivet-nut install tool\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003ePorsche 981 Cayman GT4. Compatible with other 981 models with slight modification to the mount.\u003c\/p\u003e","brand":"Verus Engineering","offers":[{"title":"Default Title","offer_id":54611118063891,"sku":"A0162A","price":449.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/1487\/4131\/files\/unnamed_b9d055c2-6428-41a3-85e8-cb9cab953693.jpg?v=1787687519"},{"product_id":"verus-engineering-side-splitter-kit-porsche-981-gt4-a0167a","title":"Verus Engineering Side Splitter Kit - Porsche 981 GT4 - A0167A","description":"\u003cp\u003eCarbon fiber side splitters complete the aerodynamic package on the 981 GT4. They work by sealing the high-pressure air travelling under the car along the flanks, which reduces lift and helps the front splitter and rear diffuser do their jobs. 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