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BM13-HDG4 kit features ACT's most popular Heavy Duty pressure plate
5" 4-1 design with a long formed collector for smooth flow
T43-HDG4 kit features ACT's most popular Heavy Duty pressure plate
Options: High Flow Cat
3001003 is a performance street disc and the most popular disc purchased
BBK 79-93 Ford Mustang 5.0L 1-5/8 Long Tube Headers w/High Flow Catted X-Pipe (Ti Ceramic) (15312) 1409 BM13-HDG4 kit features ACT's mostThese BBK Performance full length exhaust headers and matching high flow catted mid pipe kits offer unsurpassed value, performance, quality, and fitment. Dyno tested and built right here in the USA our products outperform the competition hands down. Every long tube exhaust header system is built with CNC mandrel bent tubing for unrestrictive exhaust flow and maximum performance. All headers include 3 8"" laser cut exhaust flanges, patented scavenging