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#LS-378 - So many Porsche's, so little time....
cobra said:
Has anyone installed headers with the side exhaust and if so how much power was gain.

There are many posts on the topic. The Search function will lead you to them.


Save the dawn for your dishes!!!
before headers running on E85

after (different dyno) headers with off road x-pipe and side exhaust on 93 octane (aed informed me it was pulling a lot of timing because the gas I was running was crap)

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