Honestly, do SFCs first. Might as well get them out of the way.
When I get my next LT1, the opening mod barrage will be:
- Magnaflow/Hooker catback
- Cutout
- SFCs
- Short shifter & stick
When I get my next LT1, the opening mod barrage will be:
- Magnaflow/Hooker catback
- Cutout
- SFCs
- Short shifter & stick