Post a picture of your engine/bumber from the rear.
What heat exchangers are you using?
Best thing to do is have Ben (M&K) sell you a wastegate flange with a 1" length of pipe welded to it. Take that and your car to a muffler shop and have them add a tailpipe exactly where you want it.
RarlyL8 Motorsports / M&K Exhaust - 911/930 Exhaust Systems, Turbos, TiAL, CIS Mods/Rebuilds
'78 911SC Widebody, 930 engine, 915 Tranny, K27, SC Cams, RL8 Headers & GT3 Muffler. 350whp @ 0.75bar
Brian B. (256)536-9977 Service@MKExhaust Brian@RarlyL8