AST 12/2012-04/2019 BMW M6 Lowering Springs - 25mm/25mm Suspension>Alignment Kits 75" diameter Cat-Back™ system was

75" diameter Cat-Back™ system was developed with performance and sound in mind on the 392 HEMI engine

and a capable off-road vehicle to take you anywhere with the top down and wind blowing

This kit is engineered specifically for your 2008+ Subaru WRX or STI and includes everything needed to replace the restrictive factory airbox

And remember

Supports up to 3600 HP gas

AST 12/2012-04/2019 BMW M6 Lowering Springs - 25mm/25mm Suspension>Alignment Kits 75" diameter Cat-Back™ system wasThe 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