Our AES mufflers are built to optimise flow, minimise backpressure, and produce that sharp, aggressive rotary sound. Whether you're tuning for the track or perfecting your street build, AES delivers race-proven performance and clean, precise fabrication. A trusted choice for RX7 and rotary fans throughout New Zealand. AES RACING MUFFLER 2.5/3.0"/3.5"/4.0" ″ in and out. 500mm or 400mm variants and 7" or 8" Diameter options.
