3" downpipe HP limits
05-20-2009, 05:29 PM
#21
3 inch might not be optimal, but it will get the job done. Many Supra's have run this combo in the past and have made over 900rwhp. The supra guys are also on the big DP tip so now the minimum is 3.5 to make the big #'s because the bigger DP helps spool..
