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I had them installed not too long ago, I came from modded manifolds to these. I think they look good, I also had the collectors cut and opened up to 3" pipes to mate my exhaust. I will know more once I hit the track and dyno. I'm curious to see if my top end is better than before
I had them installed not too long ago, I came from modded manifolds to these. I think they look good, I also had the collectors cut and opened up to 3" pipes to mate my exhaust. I will know more once I hit the track and dyno. I'm curious to see if my top end is better than before
it will be interesting to see the difference in modded manifolds vs mid length will all other thing being equal
Yes they delete cats but you can add race cats if you wish, you don't need fab work if you are installing as is, just some welding to stock exhaust
Thanks. Trying to decide what to do if I pull the trigger on headers.
1- race cats
2- source another resonator
I'm running secondary & resonator delete with C63 mufflers now and its a bit raspy so deleting the primaries would likey amplify that. Though part of that may be my h-pipe vs x-pipe. Just want to get it spot on if I rework.
Thanks. Trying to decide what to do if I pull the trigger on headers.
1- race cats
2- source another resonator
I'm running secondary & resonator delete with C63 mufflers now and its a bit raspy so deleting the primaries would likey amplify that. Though part of that may be my h-pipe vs x-pipe. Just want to get it spot on if I rework.
Super fast shipping & excellent customer service. Jerry answered all my questions. I just got mine installed today and I left the secondary cats & res on. I don't smell any fumes. Hopefully I can get my car on the rollers at Eurocharged in Toronto this week.
Last edited by LNDMISSL; Jun 27, 2015 at 11:20 PM.