Originally posted by dukeofchen
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Which csl airbox to buy?
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Strength of the dollar vs. euro right now is making Karbonius / Haimus options look like a pretty good deal.
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Originally posted by Cubieman View PostSo what 2.5" sec. 3's currently exist besides SCZA and the Supersprint made to order 2.5" ?
Somewhat surprised to hear negative remarks about the RE mufflers as from what I understood that muffler had pretty good airflow due to the flow through design.
1st Gen El diablos were a measly 55mm, so that was restrictive, yes.
The full SS 2.5" with a 2.5" muffler is better than the single 3" esp for a street or dual duty.
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Originally posted by Gearhead55 View PostI have had my Haimus box installed for couple weeks now. The fitment is great, quality looks great. Sounds phenomenal.
Dyno baseline, stock airbox, stock tune, stock cams, CPI stepped headers, resonators but no cats, RE El Diablo section 3 - 281 whp, 238 wtq
Haimus box installed, alpha N remote tune from Epic, everything else the same - 312 whp, 249 wtq
Thanks for the pics.
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Originally posted by jet_dogg View Post
One of these years.
I might actually beat you to it.
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So what 2.5" sec. 3's currently exist besides SCZA and the Supersprint made to order 2.5" ?
Somewhat surprised to hear negative remarks about the RE mufflers as from what I understood that muffler had pretty good airflow due to the flow through design.
The engine must simply want a bigger diameter pipe all the way down the line with these types of modifications..
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Originally posted by Gearhead55 View Post
Right, hard to say where the power is coming from when changing multiple variables at the same time. I would expect to gain more than 2% from the headers after a tune though. Maybe the airbox made a bigger difference on yours than it did for mine. All I know is that the airbox is boxin' air and it sounds good and looks good and made more power so I’m happy.
I got it tuned at JMP. Jerick, who is the primary tuner there, believes that the limiting factor in my setup is the relatively restrictive section 3 (RE El Diablo). They’ve found that their cars make more top end when switching to a 3in single exit, e.g. bimmerworld race. But the cars get really loud with that set up.
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Originally posted by Gearhead55 View Post
Right, hard to say where the power is coming from when changing multiple variables at the same time. I would expect to gain more than 2% from the headers after a tune though. Maybe the airbox made a bigger difference on yours than it did for mine. All I know is that the airbox is boxin' air and it sounds good and looks good and made more power so I’m happy.
I got it tuned at JMP. Jerick, who is the primary tuner there, believes that the limiting factor in my setup is the relatively restrictive section 3 (RE El Diablo). They’ve found that their cars make more top end when switching to a 3in single exit, e.g. bimmerworld race. But the cars get really loud with that set up.
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Originally posted by heinzboehmer View Post
I'm sure the airbox played a big role too. I gained 25 whp with just an airbox and stock everything else: https://nam3forum.com/forums/forum/m...356#post126356
9% whp increase in my case with just the airbox. 11% increase for Gearhead55 , so about 2% whp gain from the headers (assuming that airbox and tune in isolation would have gained the same amount as mine did).
I got it tuned at JMP. Jerick, who is the primary tuner there, believes that the limiting factor in my setup is the relatively restrictive section 3 (RE El Diablo). They’ve found that their cars make more top end when switching to a 3in single exit, e.g. bimmerworld race. But the cars get really loud with that set up.
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Originally posted by lvm3sm46 View PostAre these the airboxes from the group buy?
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Originally posted by Tbonem3 View PostTo be clear, the gains came from tuning the car after catless headers were installed vs. stock tune.
9% whp increase in my case with just the airbox. 11% increase for Gearhead55 , so about 2% whp gain from the headers (assuming that airbox and tune in isolation would have gained the same amount as mine did).
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To be clear, the gains came from tuning the car after catless headers were installed vs. stock tune.
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Originally posted by lvm3sm46 View PostAre these the airboxes from the group buy?
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