Best Headers for Power 1st, Sound 2nd
Guys! Can you give me your best arguments on what headers will get you the most power gains in your opinion; not taking sound quality as the primary consideration? Assume a GSF with high flow cat-back exhaust (no secondary cats).
I'm not convinced that Novel will get you much better performance (no doubt much better sound) than traditional long tubes will... There are people here that could clarify this, we will see what they say... Designo said: ""The best combo was high flow cat backs with equal length headers with high flow cats integrated into them. Perfect"" Well said, I definitively agree with him that this would be the best way to generate the best sound... do you think this is also the best power combination? Come on guys! There is a lot of people here with direct experience and good knowledge on this topic. Please put it out there so others can benefit from what you know and have seen. Thank you advanced! |
Look over the thread about the RR tune, Rafi is chiming in. According to his post an RCF went from 400 to 44x something with headers and their tune/exhaust
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PPE headers are the best, best bang buck for your buck too..
Dyno proven gains everywhere as well. Contact us for pricing on them! -Josh |
PPE has two types of headers for the RCF - (EL) equal length and (UL) unequal length. Power about the same for each, UL cheaper in price. Sound is different between the two. Do a search and see the differences.
Lou |
Originally Posted by flowrider
(Post 10318273)
PPE has two types of headers for the RCF - (EL) equal length and (UL) unequal length. Power about the same for each, UL cheaper in price. Sound is different between the two. Do a search and see the differences.
Lou |
:uh: There are many posts describing each of them.
Here's one: https://www.clublexus.com/forums/is-...e-headers.html Lou |
I don't think a cat back exhaust will give you any power gains. I'm yet to see evidence of this online.
I also have not seen any GSF dyno chart showing pre and post upgraded manifolds on stock tune. As far as sound is concerned, so far it seems the Novel headers sound the best. Mainly because of their equal length design and the fact that there is a video of it used on a bone stock GSF. |
^^^^
1. Your wrong - A well designed catback exhaust will add power, there are threads showing this. 2. Your probably right about an intake not adding or adding very little. 3. As I posted above, PPE makes both EL and UL headers for the GSF. Each has a unique sound. There are threads describing this. Lou |
Thanks for replying Lou, your contributions are always appreciated.
Originally Posted by flowrider
(Post 10321982)
^^^^
1. Your wrong - A well designed catback exhaust will add power, there are threads showing this.
Originally Posted by flowrider
(Post 10321982)
2. Your probably right about an intake not adding or adding very little.
Originally Posted by flowrider
(Post 10321982)
3. As I posted above, PPE makes both EL and UL headers for the GSF. Each has a unique sound. There are threads describing this.
Lou |
https://cimg5.ibsrv.net/gimg/www.clu...c14b43b6a4.jpg
Here's my dyno numbers with the PTS/JOEZ exhaust. Mustang dyno reads about 15% lower than DYNOJET. :) |
Why did you quit at 6500 rpm? Hard to figure a shift point on a graph that doesn't peak and drop off at some point.
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Guys-
Thanks for the responses and information so far. Are we saying here that PPE equal length carry the "same" power improvements than traditional long tubes from PPE or SIKKY for example? I would find that difficult to understand as equal length tubes are indeed "equal" in length, so exhaust gases in total will travel more distance as oppose to unequal length tubes, were some of the tubes have a much shorter path to the collector. At least the PPE equal length headers do not have the integrated CAT that Novel has... Therefore, they should be (all else equal) slightly more efficient headers than the Novel's. |
Originally Posted by lobuxracer
(Post 10325197)
Why did you quit at 6500 rpm? Hard to figure a shift point on a graph that doesn't peak and drop off at some point.
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Originally Posted by TARS
(Post 10325270)
Guys-
Thanks for the responses and information so far. Are we saying here that PPE equal length carry the "same" power improvements than traditional long tubes from PPE or SIKKY for example? I would find that difficult to understand as equal length tubes are indeed "equal" in length, so exhaust gases in total will travel more distance as oppose to unequal length tubes, were some of the tubes have a much shorter path to the collector. At least the PPE equal length headers do not have the integrated CAT that Novel has... Therefore, they should be (all else equal) slightly more efficient headers than the Novel's. |
Originally Posted by lobuxracer
(Post 10325468)
And no one knows what "long tube" means
But thanks for the detailed, knowledgeable explanation. |
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