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Old Aug 29, 2003 | 06:31 AM
  #1  
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From: McDonough GA
Default Header advice

I have a 99 coupe. I put a Donaldson Blackwing on and Borla (love the two tip version). What kind of headers do you recommend and what should I expect out of them? Will is be obnoxiously loud? How much would a muffler (or other) shop charge for installation?

Thanks
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Old Aug 29, 2003 | 07:13 AM
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Default Re: Header advice (mikej1957)

I have heard a couple of different examples of the header/Borla combination, and I think it sounds incredible :smash: If you have an aggressive cam, it may be much louder, but on a stock engine I don't think the noise will be too loud at all.

My install of headers was $350, which may be a little on the high side but I chose a shop that I had extreme confidence in.

Good luck! :cheers:
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Old Aug 29, 2003 | 07:25 AM
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Default Re: Header advice (C5 StockSwap)

Thanks
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Old Aug 29, 2003 | 07:28 AM
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Default Re: Header advice (mikej1957)

I have a 99 coupe. I put a Donaldson Blackwing on and Borla (love the two tip version). What kind of headers do you recommend and what should I expect out of them? Will is be obnoxiously loud? How much would a muffler (or other) shop charge for installation?
mikej1957,
I have a 99 coupe too w/donaldson and Corsa's. I'm also running FLP headers, hi-flow cats and x-pipe and got 24RWHP out of the headers alone. Very nice at normal throttle, but WOT gives me an aggressive growl. Installed my own but I would guess around 3-400 as mentioned above. Primary reason I went with FLP was service and the fact that it was a complete bolt on system.

Good luck.

later,
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Old Aug 29, 2003 | 07:44 AM
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Default Re: Header advice (THRAP 42)

Coated headers?

I have seen bad stories about melting plastic components in the starter. Is this a concern?
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Old Aug 29, 2003 | 07:52 AM
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From: Swansea IL
Default Re: Header advice (mikej1957)

I just installed FLP's to my Corsa Indy's. All I can say is WOW. The car is a Jeckel and Hyde personallity. At idle and light throttle hard to tell there is something lurking, but get past 4000 RPM's or go WOT and the car becomes a beast. The key to drivability (mine is a daily driver) is ZERO RESOANCE's. A Corsa trade-mark. I'm booked for a wide-band dyno tomorrow and will report back my new numbers. My last dyno yielded me 292 EWHP and 308 RHTQ, I had a LS6 lid, K&N Air filter and the Corsa Indy's. I have since added the following:

Blackwing
Removed MAF screen
NGK TR55IX Plugs
MSD Wires
FLP headers/high flow cats and x-pipe

I'm hoping to see 325 to 330 RWHP since the car feels so strong.

BTW the FLP's were a 4 hour install on a lift with a buddy that knew what he was doing and had all the right tools.

Tom
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