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For years, it has been a common belief that all catalytic converters place a choke-hold on performance. In 1993, Random Technology disproved that theory with the introduction of Super High Flow catalytic converters. This design enables virtually any vehicle with a properly tuned engine to meet emissions standards with little, if any power loss (compared to an exhaust with no catalytic converter).
In fact, Random Technology catalytic converters actually have a higher flow capacity than most mufflers. This direct fit, bolt-in replacement for the stock catalytic converter on 3.8-liter vehicles has a 3 inch inlet and 2-1/2 inch outlet. It flows 438 cfm compared to 267 cfm for the stock converter at a test pressure of 28 inches of water. That's a 47% increase in flow! Add up to 8HP to the wheels with this converter! The added benefit of this direct fit, bolt on replacement is the inclusion of the U-Bend replacement and the enlarged downpipe. The U-Bend replacement does include the O2 bung for mounting the O2 sensor.
Independent testing by engine builders, racers, and automotive magazines has repeatedly proven the superiority of the Random Technology Super High Flow design.
NOTE: Compatible with W-body vehicles with 3.8 liter 3800 Series II / III engines only. The converter package includes hardware to mount the front section, but you will re-use your stock bolts and gasket in the rear.
2004-2008 Grand Prix Owners: A O2 Sensor extension harness required for 2004-2008 Grand Prix owners (excludes GXP). Please select the harness from the options below only if you own a 2004-2008 Grand Prix (excluding the GXP).
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