Pontiac GTO 2004 Long System Catalytic Converter?:No Cats ensuring that spills or messes

ensuring that spills or messes do not penetrate through to the vehicle's interior

Given the increase of airflow when introducing an aftermarket catalyst

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Bolt Pattern: 4x156 for secure mounting

This wheel is suitable for various applications

Pontiac GTO 2004 Long System Catalytic Converter?:No Cats ensuring that spills or messesARH long tube headers long system for the 2004 GTO features 304 stainless steel in 1 3 4" or 1 7 8" primaries, 3" merge collectors, and all the necessary hardware and gaskets for a bolt on installation. The 2004 GTO American Racing Headers long system was designed to bolt on to your factory axle back or any aftermarket axle back. A simple cut and clamp modification (but no welding) may be required. Note: This system does not come with the x pipe.