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....

Pre-owned header system. Inspected and ready to install. Expect heat discoloration and light cosmetic wear from use. Pre-Owned Header System for 991.1 and 991.2 GT3, GT3RS, 911R and GT3 Touring. 2.5" Outlets are for use with Stock Muffler and 3.0" Outlets are for use...

We'd been asked by a few to make a Crack Pipe that wasn't as much of a commitment but still true to the original Megaphone Crack Pipe. Meet the Mini Crack, this one works with Dundon valved side muffler deletes or our Street Headers,...

Enjoy 321 Stainless construction, same high quality valves as used in our battle tested Race Headers. Reduce weight through the elimination of side mufflers, reduce heat on the rear tires and under the decklid, no Drone, and 100% Lifetime Guarantee, including track use. Technical...

Pre-Owned 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.

100% Inconel 625 Race Exhaust, designed for strength, light weight and maximum reduction in flow restrictions. Optimized High Flow Inconel Catalyst 12lbs, stock is about 37lbs so weight reduction of 25lbs over stock Integral Inconel Exhaust Tips, let the natural inconel color changes show...

A used version of our most popular 991 exhaust package. Street Headers and Lifetime Muffler! Photos are of the actual system. Dundon Street (Catted) tuned length headers and valved side delete exhaust system for the 991 GT3/RS! less weight more power, great sound, quiet...