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Old 01-19-09, 05:43 PM
haterinc haterinc is offline
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Re: or American Racing headers for the 09 CTS V

"I can give you a much better idea of what we’ll be doing after I get the car on the lift and take a look. I expect the headers will be full length 1-7/8” long tubes. We tested 1-3/4” headers on the ZR1 and they fell short to the 1-7/8 throughout the rpm range. Also the systems will have 200 cell metallic substrate cats like our Vette systems. It’ll be about 2-3 weeks before we get going on the prototype but I should have the V in the shop sooner to get a good look at it."