328Fits: 1986-1989 328
All 328 & Monidal 3.2 (requires 1)
All Testarossa (requires 2)
Big pipes for big power.
These Hyper-Flow catalytic converters take maximum advantage of the larger exhaust pipes on 328s and Testarossas. With about 35% more airflow than the original equipment converters, you will love the extra performance and improved sound these converters offer. Special construction allows these to be a direct bolt in with as much adjustability as the originals. Now there’s no reason to put up with that old car smell or “back door” emission inspections of “test pipes”.
Hyper-Flow Catalytic Converters offer your Ferrari maximum legal air flow for Maximum performance. Our stainless steel metallic core with its exclusive treating process easily out flows even the best ceramic units, while maintaining full OBD2 compatibility. Even 100 cell ceramic “race cats” are no match for Hyper-Flow converters. In most applications, our core is capable of more air flow than the factory pipe size allows.
