Sedan Chat Thread
10-25-2014, 08:04 PM
#4531
Just got my Fast Intentions HFC's installed and now I can say I have a smile on my face finally. Every time I hit the gas now I know I have an exhaust under there. Still not very loud at WOT though but can't win them all ( for 2k though I should........). Two things that I wish FI intentions changed were the location of the bungs (02 sensor cable does not fit correctly in stock harness anymore or it would be too tight) and the brace underneath the cats can no longer be used. Other than that, pretty stoked.
10-25-2014, 11:40 PM
#4532
Just got my Fast Intentions HFC's installed and now I can say I have a smile on my face finally. Every time I hit the gas now I know I have an exhaust under there. Still not very loud at WOT though but can't win them all ( for 2k though I should........). Two things that I wish FI intentions changed were the location of the bungs (02 sensor cable does not fit correctly in stock harness anymore or it would be too tight) and the brace underneath the cats can no longer be used. Other than that, pretty stoked.
10-26-2014, 08:34 AM
#4534
Administrator
iTrader: (9)
10-26-2014, 08:54 AM
#4535
Oh wow, is that the difference between Resonated and non because if so, damnit. LOL. Or maybe it's the fact you still have the stock exhaust where I have the FI catback.
Next time you are in your car Rochester roll down your windows and rev the car in neutral. If there is no hiss present when the rpms fall back down then you indeed have no hiss so lucky you. I'll take a video of mine to show you what I'm talking about.
Next time you are in your car Rochester roll down your windows and rev the car in neutral. If there is no hiss present when the rpms fall back down then you indeed have no hiss so lucky you. I'll take a video of mine to show you what I'm talking about.
10-26-2014, 09:02 AM
#4536
Administrator
iTrader: (9)
Oh wow, is that the difference between Resonated and non because if so, damnit. LOL. Or maybe it's the fact you still have the stock exhaust where I have the FI catback.
Next time you are in your car Rochester roll down your windows and rev the car in neutral. If there is no hiss present when the rpms fall back down then you indeed have no hiss so lucky you. I'll take a video of mine to show you what I'm talking about.
Next time you are in your car Rochester roll down your windows and rev the car in neutral. If there is no hiss present when the rpms fall back down then you indeed have no hiss so lucky you. I'll take a video of mine to show you what I'm talking about.
That could be the difference. I'd suspect that more than the cat-back. That, or a leak. After a while, go back to your mechanic and have him eyeball the fitment on everything, and check for leaks, after it's had a few weeks to settle in. That's a reasonable follow-up for an aftermarket exhaust.As for that cross-member that bolted your OEM cats to the frame... I still have mine. Looking right at it, in fact. It's always been the plan to have my guy come up with some way to weld connectors to the new cats, and put that back on. I'm not comfortable having all that weight hanging off the headers.
10-26-2014, 09:10 AM
#4539
I thought you bought the resonated cats. That could be the difference. I'd suspect that more than the cat-back. That, or a leak. After a while, go back to your mechanic and have him eyeball the fitment on everything, and check for leaks, after it's had a few weeks to settle in. That's a reasonable follow-up for an aftermarket exhaust.
As for that cross-member that bolted your OEM cats to the frame... I still have mine. Looking right at it, in fact. It's always been the plan to have my guy come up with some way to weld connectors to the new cats, and put that back on. I'm not comfortable having all that weight hanging off the headers.
That could be the difference. I'd suspect that more than the cat-back. That, or a leak. After a while, go back to your mechanic and have him eyeball the fitment on everything, and check for leaks, after it's had a few weeks to settle in. That's a reasonable follow-up for an aftermarket exhaust.As for that cross-member that bolted your OEM cats to the frame... I still have mine. Looking right at it, in fact. It's always been the plan to have my guy come up with some way to weld connectors to the new cats, and put that back on. I'm not comfortable having all that weight hanging off the headers.
Also, I had the same worry as you concerning not being able to reuse the cross member so maybe I need to go to an exhaust shop and see if they can fabricate something for me.
Everything was impacted so pretty sure it is.
Yup, what's your feeling on it?
10-26-2014, 09:20 AM
#4541
Administrator
iTrader: (9)
Here's a crazy thought... someone slap me for silly if it's stupid.
What about buying rear coil-overs. Just rears.
What about buying rear coil-overs. Just rears.
10-26-2014, 09:26 AM
#4543
Administrator
iTrader: (9)
There was quite a bit of at-idle vibration after the install. So I removed the heavy rubber damper nubs that were attached to the mid-pipes, and the vibration all but went away (mostly). You don't have that option, because you don't have the OEM cat-back anymore, so IDK what to say, except maybe to put this cross-member back on, like we're talking about.
Have to come up with some creative way to weld bolts with bushings to match up with the original holes on the ends. Hmm. Anyway, here it is:
Last edited by Rochester; 10-26-2014 at 03:46 PM.
