1300cc 4-2-1 manifold, need some measurements Post Posted 20 August 2013, 10:34 PM #1336559 (In Topic #163445) mattbibby Newbie Hello, anyone fancy doing me a huge favour and measuring up there 1300 4-2-1, radius's and straights etc.. so that I can make one up as I do not have the funds to buy one.CheersMatt 0 guests and 0 members have just viewed this: None. Forum home Fuel Systems and Exhausts