I've recently had installed CTR cams and there is an increase of about 8whp. Vtec comes in harder and I've hit the rev limiter a few times. This didn't happen before because the car stopped making...
Dev at DKS Auto fitted new timing belt, fixed up my cooling system and fitted EK9 cams and valve springs. Zacka at Cypher Industries tuned the vafc. Gained 8hp atw.
I had a 3 inch cannon and changed to a 2.5 inch varex and to me the sound improved. I also think that the intake makes a bit of a difference to how it sounds. With the 3 inch cannon, it was drony...
That's why I suggested you get a varex so you can adjust the sound via remote control. You can have the free flow benefits when you need to and quiet at other times.
I run a custom header set up to a 2.5 inch custom system finished off with an xforce varex. My car used to have a 3 inch cannon but that was dumb and deafeningly loud.
Despite being tuned and safely leaned out mine sometimes pops as well between gear changes or engine braking to a stop. When in the vtec range there's a fair bit of smoke.
That is the plan... working my way there... need the following parts, carpet, cluster and door trim. The only thing I'm not sure whether I want to do is the centre HVAC console.
EK9 seats arrived and installed. EK9 mats bought locally and installed. EK9 interior install almost complete. Doesn't go any faster despite feeling it tho.