Less restrictive catalytic converters paired with a cat-back exhaust system will offer high performance and power. Though, the level of horsepower gained is not constant across all cat-back systems. It depends on the quality and performance of the catalytic converters. Because of the better flow of exhausts resulting from the mandrel-bent tubing and the larger diameter piping, cat-back exhaust systems manage to offer better performance. IE offers catback, downpipe, and midpipes upgrades to replace individual sections of your exhaust. Installing variations of these parts allows you to dial in your exhaust volume to your preference, from sporty to aggressive.
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When used in the context of aftermarket parts or performance upgrades, "cat-back" is used to indicate which section of the exhaust system the parts replace. Cat-back systems are available as both single- and dual-exhaust. All Thermal R&