BMW M3/M4 G8x 2021+ | Fabspeed Sport Cat Downpipes | Detailed Explanation and POWER GAINS

Buy here: https://www.fabspeed.com/fabspeed-bmw... Fabspeed Owner, Joe Fabiani, explains the features of our G80/G82 M3/M4 Sport Cat Downpipes. These downpipes are will net you sound power and will not trigger a check engine light. 0:00 Stock Downpipe Explanation 0:29 Design Features 1:22 Dyno results 1:45 HJS Cats 1:57 Sound Contact Us Directly: [email protected] SUBSCRIBE at: https://www.youtube.com/FABSPEED%20MO... Instagram: https://www.instagram.com/fabspeed_mo... Facebook:   / fabspeedmotorsport   Twitter: https://twitter.com/Fabspeed?ref_src=... Website: https://www.fabspeed.com/ Fabspeed Motorsport has been setting the industry standard for quality and performance since 1994 and we continue to revolutionize the Exotic Car Industry.