Watch video EQUAL LENGTH tubular vs. LOG manifolds (headers) - SCAVENGING and EXHAUST BACK PRESSURE EXPLAINED online without registration, duration 17 minute 43 second in high hd quality. This video was added by user driving 4 answers 31 October 2021, don't forget to share it with your friends and acquaintances, it has been viewed on our site 785 thousand once and liked it 21 thousand people.