designsbyjacob
718 GT4 Splitter
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718 GT4 Splitter Overview: Designed for the 718 GT4, this front splitter is very effective for balancing out the front end downforce when adding larger wings to the car! At stock height levels it creates about 90lbs of downforce at 80mph...
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981 GT4 Splitter
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Installation Instructions 981 GT4 Splitter Overview: Front splitters are very efficient for increasing downforce at the front of the vehicle. Designed specifically for the 981 GT4, this front splitter creates about 90lbs of downforce at 80mph (~200lbs at 120mph). This...
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APEX Forged Wheels EC-7R
$625.00
Many customers who track their GT4 often come to us looking for 18" wheel solutions. 18" wheels allow us to run more tire choices for competition and for HPDEs. To run smaller wheels requires changing out the front brakes but...
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Cayman Wing Adapter
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Installation Instructions Pricing is automatically discounted to $397.50 when paired with a DBJ Wing in your cart or you can pick one of the included wing & riser kits. Cayman Rear Wing Adapter Brackets Overview: For those who are...
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Clubsport Intake Manifold
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718 Clubsport Power for your 981 GT4: Looking for more power for your 981 GT4? Power all the way to the redline so you can challenge those new 718 GT4s? When Porsche released the 718 GT4 Clubsports they used the...
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DBJ Forged Wheels - CS1
$4,000.00
Looking for a set of forged wheels but can't seem to find the perfect size? We can get you 100% customized forged wheels fit to your needs! Most wheel manufacturers buy wheels in bulk to reduce cost with volume. The downside to...
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GT4 1450RS Wing
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GT4 1450RS Wing Overview: The DBJ 1450RS carbon fiber wing for the Cayman GT4 takes our 1450mm wings to the next level! Roughly the same footprint as the OEM wing but with a longer chord length, we've designed this wing with CFD to bring...
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GT4 Front Axle Lift Kit
$1,350.00
Installation Instructions GT4 Front Axle Lift Kit Overview: Despite coming from the factory with such low height clearances, a front axle lift option was never included for the 981/718 Cayman GT4 and 718 Spyder. This makes getting in and out...
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GT4 Front Canards
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Installation Instructions GT4 Front Canards Overview: Right from the factory, the GT4 suffers from a tendency towards understeer. Find tune your aero balance, by adding these canards to your arsenal! Canards can help reduce understeer by shifting the aerodynamic balance forwards! Installed...
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GT4 Performance Springs
$554.00
GT4 Swift Spring upgrade kit: Upgrade your stock springs to 448lb in front and 560lbs in the rear! These spring rates have shown to reduce camber loss during cornering and can improve tire wear while on track. Fortunately the factory OEM...
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GT4 Rear Diffuser
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Installation Instructions GT4 Rear Diffuser Overview: A properly designed rear diffuser not only looks great on your car, but is a very efficient way to add downforce. Using CFD software and 3D scans, the DBJ rear diffuser creates a completely flat...
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GT4 Rear Wing - 1450mm
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Installation Instructions GT4 1450mm Wing Overview: After experimenting with several design options to increase the performance of the OEM wing, we quickly realized that the OEM airfoil was never meant to produce a significant amount of downforce but clearly focused...
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GT4 Rear Wing - 1600mm
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*Orders for 1800mm or other sizes available upon request* Installation Instructions GT4 Rear Wing Overview: Introducing our 1600mm carbon fiber wing for the Cayman GT4! We take pride in delivering you products that have been well tested and above all,...
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Porsche Recliner Brackets
$100.00
Installation Instructions USE CODE LEANBACKSALE for buy one get one 50% off!!! ($150 total for 2 sets) Porsche Light Weight Bucket Seat (LWBS) Recliner Brackets Overview: If there's one complaint about the OEM Porsche LWBS, it's the recline angle. Long drives...
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