Foundational Part

Foundational Part

Foundational Part Fits: 718 GT4 718 GT4RS (WITHOUT Dundon Splitter)

Foundational Part Fits: 718 GT4 718 GT4RS (WITHOUT Dundon Splitter)

Get the best sounding, most powerful exhaust for your 718 GT4. No compromises. Over 3 years in development and (over!) 11 Prototypes to get it right.   Great Sound, and Great Power without drone! This is the complete exhaust upgrade for your 982/718 4.0L Boxster...

Great Sound, and Great Power without drone! This is the complete exhaust upgrade for your 981/718 4.0L Boxster or Cayman. This system checks all the boxes: Big performance gains, no drone, no CEL's, retains cats and valves and gives you the sweet flat-6 symphony...

Dramatically improve rear end grip at speed with our GT4RS Valkyrie swan neck wing. The wing and full aero kit were designed in CFD to greatly improve the vehicle's performance around the track. The wing alone has the ability to dramatically reduce lap times...

In testing the 991.2 GT3 and RS we found the air intake to be restrictive, the 718 GT4RS shares a VERY similar engine architecture and the restriction at the throttle body is no different.  With the addition of the larger 93mm Throttle Body and...

In testing the 991.2 GT3 and RS we found the air intake to be restrictive, the 718 GT4RS shares a VERY similar engine architecture and the restriction at the throttle body is no different.  With the addition of the larger 93mm Throttle Body and...

Built for the 718 GT4RS Clubsport: maximum performance and an exhaust note that finally matches that stirring intake sound. This is the header package you've been waiting for.The GT4RS engine is very sensitive to exhaust length. We invested serious development time tuning primary and...

Get better aero performance on your 718 GT4RS. One key factor the GT4RS lacks is meaningful downforce.Designed using Wind Tunnel Validated CFD and rigorously tested, the Dundon Complete Aero Package gives your 718 GT4RS 4X more downforce and the driver more confidence to go...

In testing the 991.2 GT3 and RS we found the air intake to be restrictive, the 718 GT4RS shares a VERY similar engine architecture and the restriction at the throttle body is no different. With the addition of the larger 93mm Throttle Body and...

In testing the 991.2 GT3 and RS we found the air intake to be restrictive, the 718 GT4RS shares a VERY similar engine architecture and the restriction at the throttle body is no different. With the addition of the larger 93mm Throttle Body and...

Add much needed front downforce to your GT4RS with Dundon's dual carbon fiber dive planes. Compatible with the stock front end, these are a 100% reversible install. Technical Description Add meaningful downforce Pairs with our Valkyrie Swan Neck Wing as our Stage 2 Aero...

Dundon Motorsports is proud to offer a stunning and functional bit of aerodynamic aid for your GT4RS, a carbon fiber Gurney Flap. This allows for additional downforce with limited increase in drag. This is a high quality prepreg carbon part!

Foundational Part

Foundational Part

Foundational Part

Foundational Part

Foundational part. For Dundon GT4RS Street Header Kit.