Quote:
Originally Posted by DK35
Hey guys,
Anyone have any performance numbers on a HAMANN and HARTGE exhaust system. Can't seem to find any. Hartge doesn't return emails and Hamann can only ESTIMATE 10 HP for a $4500 exhaust system.
Any help would be greatly appreciated.
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I have done the Hartge exhaust. I believe the gain is ZERO, but sound nice. I will be running a DYNO on the 29th Jan. But I had also done with ECU remapping. I have to warn you, you will loose the low end. After remapping much better have to tell the tuner that you have the new exhaust system.