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Headers/Mids without Exhaust

1K views 4 replies 2 participants last post by  Patillac 
#1 ·
Has anyone done a pair of Long tubes and mid pipes without an aftermarket exhaust? If so, video clips?

I want a subtle increase for acceleration but not looking to wake up the neighborhood yet. Trying to be stealthy if anything with the work I do.
 
#2 ·
Long tubes give a high rpm performance increase, not off the line. The performance gain kicks in around 3500 rpm and goes up from there.

Here is the Dyno curve from PCD comparing long tube headers to shorties. You can see it doesn't really gain until 4000 rpm.





If you want faster off the line acceleration, invest in a set of 3.92 rear gears.
 

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#4 ·
Then skip the headers and cut out the mid muffler and leave the resos. Low rumble at low rpm and a nice healthy roar when you punch it.

Total cost = $100.
 
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