Good info.. I appreciate it.
I was doing some more research. Based on the current Turbo I have in the car (Franken Turbo), it doesn't push nearly as much air. I also confirmed I already have a 2.5" catless downpipe.
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wmwny Well-Known Member
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Dave.0 Helix & RMW PoweredLifetime Supporter
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Dave.0 Helix & RMW PoweredLifetime Supporter
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ScottinBend Space CowboySupporting Member
The resonated exhaust is closer to stock. The non-res version is louder and a bit raspier.
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Dave.0 Helix & RMW PoweredLifetime Supporter
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I have the JCW exhaust with the resonator deleted. No drone thank goodness I hate drone. The JCW exhaust is to quiet for my taste. I think you are correct on the size of the pipe, I have always heard 2.5 is best.
@Sully if you run out of time you could always have Chad install an exhaust for you at the Dragon. Or come to Memphis and we can do it! -
I'm interested in this information as well as I am looknig into replacing my cat and exhaust. So far I am leaning towards the milltek cat and resonated exhaust but would love to hear other opinions.
I wasn't impressed with my NM air charge pipe so not sure I would want to take a risk something that costs much more. -
I'll see if Mario still has them.. this was his feedback. If all goes well, I'll get the car up in the air this weekend and take some pic's of the exhaust. I know it was a pretty basic straight through from when I was last under there. I also will run some Dyno runs before I make any changes... so we will know if I go up or down from the change. That said, I imagine you are pushing more WHP.. so it may work for you but not my setup. Lets see what the exhaust is and the Dyno... good feedback.

Agreed, haven't found good documented individual results. So I will document mine and then we can go from there.
Thanks - I'll take a look at them. Ideally I have a downpipe back exhaust.. otherwise I'll have to create the connector pipe. -
Goldsmithy MINI Alliance AmbassadorArticles Moderator Supporting Member
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