AVO Cat-Back Exhaust System (02-07 WRX & 04-07 STI)
AVO catback exhaust system is constructed from 3" stainless steel and is designed to fit with the OEM front pipe with a donut gasket setup.
The AVO cat-back exhaust system for the WRX and STI is constructed from 3" stainless steel, and designed to bolt up to the stock locations/flanges. The high-flow design is rated at around 89 dB, making it a good choice for noise concious performance-oriented customers. Comes with a 4" round-rolled adjustable exhaust tip.
The AVO cat back has a tapered flange at the front so that it can fit a standard OEM front pipe with a donut gasket setup. This will ensure the flex in the system still operates as it was intended to from factory.
WARNING: Operating, servicing and maintaining a passenger vehicle or off-road vehicle can expose you to chemicals including engine exhaust, carbon monoxide, phthalates, and lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. To minimize exposure, avoid breathing exhaust, do not idle the engine except as necessary, service your vehicle in a well-ventilated area and wear gloves or wash your hands frequently when servicing your vehicle. For more information go to https://www.P65Warnings.ca.gov/passenger-vehicle.
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