1320 Performance B SERIES 4-1 Randy Monroe Style MEGAPHONE RACE HEADER GSR SI LS

View more great items. 1320 MEGAPHONE B SERIES HEADER. This is the most powerful header in the market today for B series. It will outperform any header in the same price range. DYNO & RACE PROVEN. POWER GAINS 13-22 WHEEL

1320 Performance SMSP Style B SERIES HEADER Big tube GSR b16 b18 b18b b18c1 b18c

View more great items. 1320 SMSP STYLE BIG TUBE 6 STEP COLLECTOR B SERIES HEADER. You can copy and paste the youtube dyno video of our header with a comparison to few other header done by a customer. This 1320