Got wrong headers in mail, 1 7/8 instead of 1 3/4
Thread Starter
12 Second Club
Joined: Dec 2008
Posts: 319
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From: Richmond,VA
Got wrong headers in mail, 1 7/8 instead of 1 3/4 i ordered kooks 1 3/4 x 3 headers and got 1 7/8 x 3 headers instead, should i keep the 1 7/8 or send them back to get the 1 3/4 ones
Thread Starter
12 Second Club
Joined: Dec 2008
Posts: 319
Likes: 0
From: Richmond,VA
yea the price on the 1 3/4 went up after i bought them. so the 1 7/8 are cheaper now, but if they will flow better then i think i will keep them and not say anything based on the previous replies, would there be anything negative for having these like the sound or anything
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OP keep them thats a gift from God lol. and no they arent 1 7/8ths headeers usually show around 7hp over 1 3/4 on a stock ls1 engine dyno. you probably wont notice much at the wheels but its still something good to have
If you're interested in peak HP then they're good. Bigger isn't always better and on a less than 500 HP you'll be losing below peak. I shake my head every time I hear "flow" like putting on the biggest pipe is always the best thing. Below peak in a large pipe velocity gets lazier and it's that velocity that makes a header work. A lot of people should do some reading of exhaust theory that isn't on a forum.
If you're interested in peak HP then they're good. Bigger isn't always better and on a less than 500 HP you'll be losing below peak. I shake my head every time I hear "flow" like putting on the biggest pipe is always the best thing. Below peak in a large pipe velocity gets lazier and it's that velocity that makes a header work. A lot of people should do some reading of exhaust theory that isn't on a forum.
****.
That's exactly what I'm so sick of hearing. The #'s don't lie. The only, and I mean ONLY graphs I've ever seen with a loss were from a C5. And that's more due to primary length than anything else.
Is this where the conversation get's turned into "Is the FAST 102 too big for stock cubes?"
If you're interested in peak HP then they're good. Bigger isn't always better and on a less than 500 HP you'll be losing below peak. I shake my head every time I hear "flow" like putting on the biggest pipe is always the best thing. Below peak in a large pipe velocity gets lazier and it's that velocity that makes a header work. A lot of people should do some reading of exhaust theory that isn't on a forum.
