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LOL, that didn't age well.

Get rid of that last six inches or so after the clamp where it necks down for the resonator and install a dual inlet 3" muffler in place of the resonator like @Q6543 did.

Manual transmission is probably less, like 10-12% - I don't know for sure, but manual transmissions do not suck as much horsepower as automatics.

This one probably works, but I have not yet tried it.

This didn't work.

I was going to tell you to renew with either one, as they both appear to be good options, but then I saw the EDM mention, and I thought for your own sake you should let the subscription expire.

That would be a 17.12% drivetrain loss, which seems excessively high. 486 horsepower GTs with active exhaust were hitting 420 on the wheel dyno back when new. That is 66 horsepower, divided by 486, is 13.6% drivetrain loss. Using that drivetrain loss would indicate more around 650 at the...

Could you elaborate a little? Why is it easier? This may help a lot of us reading.

Wow, that is awesome, thanks!

Wait. In New Zealand they post speed limits on turns?

This is only one shop, right? And that includes the cost of the materials, too, or is this just $3k in labor?

Are these for looks or to get more cooling air into the radiator on the track for HPDE days? Can you tell us a little about how they were made and installed?

You'll definitely take 2nd place at the car show when the judges get a look at that.

I don't know how I missed this post. Well, don't leave me in the dark. That is what the forum is for. Learning.

Did anybody catch what Steeda is using for fuel injectors?

Should be all day? I run higher at the track now, as it is shifting up around 7500 and never drops below 6000 rpm for the most part if I just leave it in drive. Pretty much any of the full throttle stretches (including one almost a mile long) and it is running up there. Is this much more...

Now that tuning and mods are out, all of the base numbers are not 440, but 400-406. Then with changes they get 440.

Google AI result: Range Interpretation: Under 84 dB: Poor sensitivity, requires high power. 85–88 dB: Typical or average sensitivity. 89–92 dB: Good to very good efficiency. Above 92 dB: High sensitivity, very efficient.

Yeah, sorry, I should have written more, to include that it is the wrong spec listed on some sites (I am sure it is accidental). I doubt 287 is even possible with a speaker that small.

British accent, while sitting in the Mustang II, on the radio, "So, Randy, I found out from the owner this thing's got something called a four barrel. Don't know what that is. Maybe something to do with the carb." 🤣 :facepalm: