Hi all...

A company is offering me a set of headers and high flow cats for my 4.8is from Hamman!!

I want to know if somebody has experiences with this combo?

What about the performance of them?? Feel any differences??

What power will make more with those stuff??

Thanks for any comments!!

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TRD VERDE ITHACA SUPRA 1200RWHP@40PSI
LPE CORVETTE C5 427CID TWIN TURBO 1000RWHP@20PSI
2008 LAMBORGHINI LP640
2009 NISSAN GTR 600RWHP@19PSI
2010 BMW X5 M