On our 3.8L test car we increased the power from 400whp with race headers alone to 440whp with race headers.   We recommend a high quality header (like our race or catted header) that moves peak power to 8300-8500rpm   * Fueling and ignition...

Full Inconel 625 construction and tuned-length megaphones will give your 996 the "F1-style" sound you've been craving!   Fair warning though, this one will make your neighbors cranky and wake up your kids!

Our Street Headers combine tuned-length primaries with high-flow catalytic converters to give your 996 GT3 more power, torque and sound!   Add our Lifetime Loud Muffler and you get the perfect combination: The Porsche howl we all love and drone-free motoring.

We’re proud to offer the strongest, safest, best designed all 992 coupes, Carrera, Carrera S, Turbo and GT3 bolt in roll bar on the market. We design all of our bars with safety as the first concern.

Available in OEM lower flow tube size for stock muffler or 3" lower flow tube size for use with Dundon Lifetime Mufflers 3" Lower Flow Path Offers 44% improvement in flow over stock 20% reduction in pressure drop over stock Use with Loud Muffler...

Full Conversion Kit with Hats, Hardware and Rotor Rings. Sold in Pairs.

Full Conversion Kit with Hats, Hardware and Rotor Rings. Sold in Pairs.

For cars already equipped with GiroDisc Conversion Kits. Replacement Rotor Rings and Hardware ONLY. Sold in Pairs.

For cars already equipped with GiroDisc Conversion Kits. Replacement Rotor Rings and Hardware ONLY. Sold in Pairs.

Replacement tip sets for your Dundon Lifetime Muffler ONLY. Does NOT fit OE Porsche Mufflers. Proper tip length is important, so please ensure you select the correct application.

At Dundon, we test our products endlessly to ensure the utmost quality. And over time, we found the factory muffler couldn’t keep up with the added performance our Headers provide. We set out to fix that. The result — Dundon’s GT3 Lifetime Center 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...

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!