Hci 5.3 single exhaust?
#1
Hci 5.3 single exhaust?
Piecing together a hci 5.3 and a 100 shot. Curently running 1.75" lt's ory to a single 3" dumped borla xr1. Im anxiously awaiting the sp engineering dual 3", but do I need it? Ive seen some nasty ls1's on a single 3 that flows well. I could easily step up to a 3.5", some have recommended a single 4. But the y merge seems pointless to step up to 4". I also dont want to dump this much $$$ and bottle neck it. Thoughts?
#5
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Single 4". My buddy's VMax picked up a lot over dual 2.75". Cut the Y at the widest part and weld a 3.5" to 4" adapter on then run your 4" exhaust. If you have a torsion bar setup you'll have to clearance the pipe a little. Should be fine on a 2wd. The 4" sounds way better too. Much deeper note
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