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Offline Fortis

  • 300kph+ club

  • Joined: Mar 2010

  • Location:
  • Drives:
Looking great trainwrex, enjoy it in the best of health  :thumbsup:



Offline Trainwrex


  • Joined: Jun 2015

  • Drives: Challenge stradale, LP640
  • Location: Western Australia
Reduced back pressure perhaps? I didn't notice any power difference on my car. Someone here will know.

The car just felt less responsive off throttle which Im sure has to do with reduced back pressure. I'll just get a muffler delete and reconnect the valves. SHOUKD sort the soubd issue.

Looking great trainwrex, enjoy it in the best of health  :thumbsup:

Thanks mate. And thanks again for your time.



Offline Fortis

  • 300kph+ club

  • Joined: Mar 2010

  • Location:
  • Drives:



Offline anotherforumuser

  • AE's voice of reason
  • Choose to take risks or settle for ordinary.

  • Joined: Sep 2010

  • Drives: A red car.
  • Location: Downunder
Looks discreetly spectacular. Congrats.  :thumbsup:



Offline andecorp

  • Biggest daddy in the park 300kph+ club
  • No idea how to make her happy!

  • Joined: Jan 2007

  • Drives: too many cars for one ass
Great looking car  :thumbsup:
You make something idiotproof, they'll make a better idiot.



Offline Trainwrex


  • Joined: Jun 2015

  • Drives: Challenge stradale, LP640
  • Location: Western Australia
So I finally changed out the stock system with an RSC replacement. Much better sounding now.



Offline andecorp

  • Biggest daddy in the park 300kph+ club
  • No idea how to make her happy!

  • Joined: Jan 2007

  • Drives: too many cars for one ass
So I finally changed out the stock system with an RSC replacement. Much better sounding now.
You're running straight pipes?  :scared:
That would be LOUD!
You make something idiotproof, they'll make a better idiot.



Offline Trainwrex


  • Joined: Jun 2015

  • Drives: Challenge stradale, LP640
  • Location: Western Australia
You're running straight pipes?  :scared:
That would be LOUD!

Surprisingly not that loud at all. My stradale (stock) is louder than the LP with a system on it. The primary cats keep it fairly quiet.



Offline andecorp

  • Biggest daddy in the park 300kph+ club
  • No idea how to make her happy!

  • Joined: Jan 2007

  • Drives: too many cars for one ass
Surprisingly not that loud at all. My stradale (stock) is louder than the LP with a system on it. The primary cats keep it fairly quiet.
Oh, ok, you still have the cats. I couldn't see them.

My Diablos run 94-96dB at idle. Sport cats, straight pipes.
You make something idiotproof, they'll make a better idiot.



Offline Trainwrex


  • Joined: Jun 2015

  • Drives: Challenge stradale, LP640
  • Location: Western Australia
Oh, ok, you still have the cats. I couldn't see them.

My Diablos run 94-96dB at idle. Sport cats, straight pipes.

Your diablos would sound great with your setup..

I'm still running the primary cats. There were no secondary cats either.

Putting sports cat will Definately increase the noise!

I think the stradale is around 100-105.. It's apparently around 120-130 on full noise. All I know start up in the same garage the stradale is nearly twice as loud.



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