Replacing headers only

[diss7]

Originally Posted by Anthony

Have you abandoned the light weight goals?

Nope. Sometimes I just ask questions about stuff.
Took my seat out and weighed it today, 19.7kg. Bride is only 5.5kg.

[Anthony]

Enjoying that scale you bought?

[Boofneenee]

I dunno... from all the reading I have done on exhausts headers + A tune is by far the best way to net some gains and help with that dreadful tq dip. WIth a tune being the most important add on.

But, I just feel like you are going to be robbing yourself of some power and breathe-ability if you open up the headers with a mod and leave the rest of the exhaust (all 80% of it) stock with its stock size diameter and such. I feel this is especially true with respect to the OP/DP. Air is going to come sailing out of that engine through the headers and then come to a slow down right from its exit. Not to mention the stock muffler likely acts as a bottleneck.
I dont have any proof or dyno's to support this.. just my thoughts. I would be willing to bet the stock exhaust (except for headers) will sound more quiet than with an after market stock which is good.

[reeves]

Different people have different ideas of "raspy".. I still have a stock exhaust, and I don't think my headers & over/front pipe (with hi-flo cat) is raspy at all.. Maybe people who eliminate the cat get a raspier noise, but I love how mines sound. Sounds like a quiet aftermarket exhaust.

[diss7]

Sigh.

I'm NOT saying anything about a tune not being worth it.

I said two things
1. Most of the gains I have seen that can be attributed to an exhaust component are from the header.
2. Header back systems that show a gain, that have had a tune; you cannot put that gain down to the headerback, unless you have performed the tune before and after the headerback was installed.

Saying that x car gained 31whp from a headerback only, intake, and tune, and implying that the headerback is therefore good, is misguided. You might have gained 30whp with just the intake and tune.

If the stock headerback was indeed so bad, you'd see immediate gains by replacing them, even untuned, the fact is you don't.

[diss7]

Originally Posted by Anthony

Enjoying that scale you bought?

Yea'p. I thought it was stuffed actually, because it wouldn't hold a solid reading. Turns out it was because I had it near a window and the wind hitting what I was weighing was being registered by the scale.

Dat accuracy.

[Anthony]

Nice. What scale did you buy? I may get the same one if it's that good.

[diss7]

Originally Posted by Anthony

Nice. What scale did you buy? I may get the same one if it's that good.

I just got some chingwai one. Seems to do the job. Was about $150. Can do upto 50kg, 1 gram resolution.

[Anthony]

Damn. I was going to just get two. One for small weights, and one for larger ones. But if they make them to go up that heavy and still be accurate down low and up high... I might just get that instead.