449 results found for “intake manifold”

We found in our exhaust development and testing of the 991.2 GT3 and RS that they are intake limited both through the factory airfilter box and through the 82mm Throttle body. A bit of history. The Bosch 82mm Throttle body is the largest Bosch...

Free up power and add some beauty to your engine bay with the Dundon Motorsports Carbon Fiber Dual Cone Airbox. On a stock car this airbox will free up about 5-7whp. On a Dundon Header equipped car, this airbox is good for about 8-10...

Can be used with Dundon cat backs, 3" side deletes, or added to our Street Header package to give you the ultimate in Performance and Sound improvements. Will turn a beautiful shade of blue when driven hard!

1. Eliminates the OPF  2. No Check Engine Lights, and no tuning required  3. 992 GT3RS Stock - 474whp,  992 GT3RS  with Street Headers is 495whp (so far)… 4. Weight savings over stock: 321 Stainless Steel Muffler version: 10lbs lighter than stock Titanium Muffler:...

These 625 inconel inserts block the expansion chamber on the lower pathway, dramatically reducing the muffling effect. The combination of the titanium muffler with the loud inserts gives you the ultimate “have your cake, and eat it, too” exhaust. The quietest system we make...

1. Eliminates the OPF  2. No Check Engine Lights, and no tuning required  3. Significant power and torque gains: +31whp/+55wtrq! 4. Weight savings over stock: 321 Stainless Steel Muffler version: 10 lbs lighter than stock Titanium Muffler: 25 lbs lighter than stock Inconel 625...

38lbft and 50whp gains (with Race Headers) Includes: Street Headers OEM Touring Airbox 93mm TB/Center Plenum Optional Lifetime Muffler   Only Race Header/Lifetime Muffler/ Touring Airbox/ 93mm Center Plenum Dyno available.