Anyone gone from just a midpipe to longtubes? - Ford Mustang Forum
 
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post #1 of 8 (permalink) Old 09-06-2012 Thread Starter
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Anyone gone from just a midpipe to longtubes?

Reading of gains only being 5ish whp, true? Not assumptions, looking for people who have made the swap

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post #2 of 8 (permalink) Old 09-07-2012
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I'm so lost. Midpipe is just a midpipe. Longtubes are longtubes.

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post #3 of 8 (permalink) Old 09-07-2012
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What he's getting at is people are seeing gains of ~25 rwhp on offroad midpipes and ~35 rwhp on longtubes WITH an offroad midpipes.

There are definitely gains, but the cost difference is extreme. I doubt you will find many people that spent the cash on an offroad x or h and then decided to spend another $1000 to replace it for 5-10 more hp. You don't need someone who switched to find the data you want, there are plenty of sheets with independent gains from midpipes and longtubes separately to figure out the difference.

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post #4 of 8 (permalink) Old 09-07-2012
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Quote:
Originally Posted by Napoleon85 View Post
What he's getting at is people are seeing gains of ~25 rwhp on offroad midpipes and ~35 rwhp on longtubes WITH an offroad midpipes.

There are definitely gains, but the cost difference is extreme. I doubt you will find many people that spent the cash on an offroad x or h and then decided to spend another $1000 to replace it for 5-10 more hp. You don't need someone who switched to find the data you want, there are plenty of sheets with independent gains from midpipes and longtubes separately to figure out the difference.
Just curious, where did you come across sheets that have independent gains from long tubes and O/R H or X pipes? I've been trying to figure out if longtubes are worth the money

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post #5 of 8 (permalink) Old 09-07-2012
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Longtubes I think are a great upgrade if you don't have to worry about stupid emissions. Yes, they're on the steep side but people also buy full catback exhausts (including myself) and the gains there are relatively minimal. You're paying for both power and sound. Longtubes also help with seeing even more potential in other upgrades as well since you're completely altering one of lowest level variables in the whole breathing system vs a catback exhaust.
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post #6 of 8 (permalink) Old 09-07-2012
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Quote:
Originally Posted by Lethal302 View Post
Just curious, where did you come across sheets that have independent gains from long tubes and O/R H or X pipes? I've been trying to figure out if longtubes are worth the money

The biggest change you will see with longtubes is not just the power but the torque curve alterations. they're going to move your torque curve in ways that will allow you to tune the entire RPM band more effectively based on how you want to drive your car.
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post #7 of 8 (permalink) Old 09-14-2012
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Quote:
Originally Posted by nsadams87xx View Post
The biggest change you will see with longtubes is not just the power but the torque curve alterations. they're going to move your torque curve in ways that will allow you to tune the entire RPM band more effectively based on how you want to drive your car.
A good point. I would definitely be getting long tubes if I was going FI and paying top dollar to have the car dyno tuned by a big shop. For a mail-order tuned NA car, I think that an offroad mid pipe is the way to go for sure though. Just my 2c on it.

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post #8 of 8 (permalink) Old 09-14-2012
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I went from off road x to long tubes and off road x. I do not have a before an after of just that swap. dyno charts have shown 5-10 hp peak gains with big torque gains down low na...

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