Boltons on k24z7

Kurt Muehlbauer

Well-Known Member
201
65
Are there any quiet aftermarket catbacks yet! I ran a vibrant with dual resonators on the 8th gen... Loved the sleeper effect and also quiet unless I wanted to hear it rip.

Suggestions would be welcome..also anyone hear news on vibrant?
 

Asteezy88

Well-Known Member
483
125
L.A.
Vehicle Model
Civic Si
Body Style
Sedan
It's ok, i think the main benefit is the exhaust. So long as you combine the downpipe with exhaust i think you'll have great results.
What about with a 2.75" exhaust like the invidia cat back?? Would that just be middle ground?
 

w00t692

Well-Known Member
106
28
tl;dr:

any downpipe besides stock is great. Even stock is pretty good if you get rid of the cats.
 

OffTheWall

Well-Known Member
119
13
Virginia
Vehicle Model
Civic si
Body Style
Sedan
Hey, I've been looking into bolt ons an had a dumb question. One thing I'm looking at is the downpipe, which from what I read eliminates the cat. I love in VA and was wondering if this would cause a failed inspection??
 

Bulkybear

Well-Known Member
1,665
749
If you live in a state that does emissions testing then id say yes you would fail with no cat. However, you can get catted downpipes. Afaik skunk2 is the only downpipe that comes catless with no option for a cat.
 
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