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Old Jan 18, 2011 | 12:32 PM
  #18 (permalink)  
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velociabstract
Senior Member
Joined: Jul 2008
Posts: 4,525
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From: Puerto Rico
Default Re: Srt-6 vs Infinity G37 S?

I've spoken to a custom header fabricator and he quoted me $1200 minimum and that was for a free flowing log style or shorty header. He said it would take some trial and error to see what could be made that the engine would respond to in the limited space. Not really worth it. As far as the loss of low end I can't prove or disprove it because my dyno's always start higher in the rpm range, mainly so the car won't down shift on me. After driving awhile with the delete pipes I still think I lost some low end but the car has enough torque. I don't know about the rest of you but I always get wheel spin in first, no matter what, and second gear too in the heart of the power band. So driving around at 1600 rpms and giving it a little gas it feels weak compared to before. Floor it and you don't notice any loss and you do feel a little extra up top. I have a race on Sunday the 23rd and another on the 30th so I should have some good race track information about the downpipes before too much longer. Back on topic ..... race him, beat him, be gracious and be safe.

Les
 
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