I used all 3.5" on mine and welded an o-ringed v-band flange to my S475 outlet. It's not necessary but it does look nice and it's one less boot to deal with. 3.5" also works great to squash and fit in a T6 flange. More than one way to skin a cat on compounds for sure...
__________________
98 QCLB 4x4 12V, ARP625+ Studs, 14mm mains NonIC pistons, Ported head, Marine Cam, Hamilton Pushrods and Tappets, BeeHive springs HE351cw over Billet S475, 4KGSK, 5X.018's, 7mm DV's, 24 Degrees Timing, 5" Exhaust, TCS Input, DPC Converter, Firepunk Competition Rebuild Kit
|