AST 2001-2003 Subaru Impreza Lowering Springs - 30mm/25mm 2022-bmw-m440i-base-esi7774086 AEM's Exhaust Backpressure install kit

AEM's Exhaust Backpressure install kit is specifically designed for use with AEM's 4-Channel Wideband UEGO Controller to provide accurate air/fuel ratio readings from wideband O2 sensors that are mounted pre-turbo

Works with the factory intercooler

This scoop is constructed of lightweight powder-coated orange aluminum for reduced weight

polished stainless steel exhaust tips are badged with laser-cut aFe POWER plates to finish off the Rebel Series exhaust system for the perfect combination of performance

AST 2001-2003 Subaru Impreza Lowering Springs - 30mm/25mm 2022-bmw-m440i-base-esi7774086 AEM's Exhaust Backpressure install kitThe AST Lowering Springs reduce your cars center of gravity while maintaining the comfort of OEM springs. Designed as a direct OEM replacement, they are vehicle specific and crafted with premium materials on top quality Wafios coiling machines. Their progressive design balances a lowered stance with enhanced performance. With compatibility across over 3,000 models from 1966 upwards, these springs suit a wide range of vehicles. Backed by a lifetime