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Hmm, from what I could see in a quick search the Mustang 2.3 TB is 61mm and the Ranger is 58-59... are those the generally accepted numbers?

So, has anyone here done a full Dynamat install, with before-and-after dB measurements?

I get that a tune is one of the most cost effective ways to get more performance. What would be the next 2-3 things after that (understanding the tunes need to be redone after other changes). I see people talking about intake and exhaust, and throwing numbers around, but I have yet to see...

Anyone have an 87 stock tune vs an 87 Livernois tune dyno they could post?

As a matter of fact, I was considering spacers… and a tailgate damper… ?

I see them listed as options for companies like Livernois, but other than maybe helping the shift points, what good are they? Don’t Rangers come from the factory tuned for 87?