Porsche Boxster 97-99 2.5L 986 Secondary Test Pipes


Porsche Boxster 97-99 2.5L 986 Secondary Test Pipes

SKU: TP-PS986-2.5L-STP (MC117 STP) Category:


Circuit Werks latest 1997-1999 Porsche Boxster Secondary Straight Pipe Cat By-Pass (AKA Test Pipes, DeCats, Catless Pipes, Cat-Delete...).  Fits all 1997-1999 986 2.5L Models.  Tri-Bolt flange bolts directly to your OEM or any aftermarket headers with our supplied hardware and gaskets.  The Outlet clamps directly to your OEM "C" Pipes.  Both Test Pipes combined only weighs 8 lbs.  You save about 25 lbs off your stock catalytic converters, plus it'll gain/free up about 4-8 hp depending on your intake, headers, and exhaust setup.  All combined even more hp gain.  Please note that this replaces your factory catalytic converter and might not pass emissions in some States.  CEL Fixes sold separately.


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