Subaru STI Cat/Test Pipes

Take your STI to the next level with VividRacing's high performance engine components like pistons, rods & bearings, as well as Cold Air Intake, Suspension like Springs, Rods and Coilovers, to wheels, tires and anything else you could use to tune your STI to the next level. For high performance upgrades for your STI, VividRacing has you covered-- we're the #1 source on the web for STI racing parts and upgrades, and our drive to be number one in customer service and delivery keeps our customers returning to us year after year. Even if you don't find what you're looking for, be sure to call us and speak with a STI upgrade & racing specialist-- odds are we can help you locate the exact part you want.

View all STI Cat/Test Pipes products

	Name	View more
	Random Technology High Flow Catalytic Converter (Extension Pipe) Kit Subaru Sti 2.5L 04-06 Model Number: 141-30003 View Price This is the latest DP & high-flow metal substrate catalytic converter from Random Technology. This system flows 580cfm. This will allow you to get the most power out of your exhaust, and still be street legal. You will need to order the gasket and bolt kit. Requires extension pipeHigh-flow metal substrate catalytic converterThis system flows 580cfm. This will allow you to get the most power out of your exhaust, and still be street legal.Note: Aftermarket catalytic converters are not legal for us...
	Random Technology High Flow Catalytic Converter Extension Pipe Kit Subaru STi 2.5L 04-06 Model Number: 31-130005 View Price This is the latest DP & high-flow metal substrate catalytic converter from Random Technology. This system flows 580cfm. This will allow you to get the most power out of your exhaust, and still be street legal. You will need to order the gasket and bolt kit.High-flow metal substrate catalytic converterThis system flows 580cfm. This will allow you to get the most power out of your exhaust, and still be street legal.Note: Aftermarket catalytic converters are not legal for use in California on OBD2 ...