FENFABrication Performance Test Pipes/Downpipes (2020-2023 Explorer ST)

FENFABrication’s new and improved 3″ test pipes/downpipes! These highflow, mandrel bent, 304 stainless downpipes allow for better flow, faster spool and improved transient response. The test pipes/downpipes are one of the highest flowing downpipes on the market with no restrictions.

Our downpipes are a direct OEM replacement and will bolt up to the stock exhaust system or aftermarket systems alike, with no custom tuning required.

FEATURES

• Increased Horsepower and Torque
• Improved Turbocharger Spool, throttle response and transient response
• Deeper exhaust note
• Direct OEM Fitment
• TIG welded and back purged
• Brushed Finish
• 304 Stainless