Fabspeed Cat Bypass Pipe for Ferrari 308 GTB/GTS/Mondial US Applications (1984–1985)

This Fabspeed bypass pipe replaces the catalytic converter on the specified US-market Ferrari 308 and Mondial applications. Despite the historical Euro premuffler name, the stated physical fitment excludes European-market models. Fort Washington, Pennsylvania is home to Fabspeed Motorsport, whose exhaust, intake and ECU tuning development for Porsche and other sports cars includes dynamometer testing and road and track evaluation.

Before you order

Confirm the exact US-market Ferrari body and exhaust connections before ordering. European-model coverage is not included by the stated physical application.

Technical Details

• Fabspeed product reference: FS.FER.308.CB.
• Catalytic-converter bypass pipe.
• CNC mandrel-bent T304L stainless steel.
• Straight-through construction in place of the original converter.
• Bolt-on installation is specified without cutting or welding.
• Covered by the Fabspeed Lifetime Warranty, subject to the manufacturer's terms.

Competition Use

This product removes factory catalytic converters. Fabspeed specifies closed-course competition use, not public-road use, and states that it is not CARB or EPA certified. Catalyst-related fault codes may occur. Confirm the permitted application before purchase.

Questions about the way your car is configured? PMB Performance has over 20 years of experience and can help review the vehicle details before you select the part.

Fitment & Compatibility

For the listed US-version Ferrari 308 GTB, GTS and Mondial applications from 1984–1985. European models are excluded. Confirm the exact body, engine and catalyst arrangement with PMB before ordering.