Perform Initial Cuts on ARCA Headers

20:37

25:28

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Morgan-McClure X Pipe Exhaust Sound Test: "Stock" LS Swap Longtube Headers (Science of Sound Pt1)

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What happens here

The presenter begins the physical modification process by taking one of the ARCA headers to a DeWalt band saw. He makes a clean cut, separating the primary tubes from the original collector. He is now ready to measure and weld extension pieces to create equal-length primaries. This confirms the commitment to a full custom fabrication project.

Goal: Cut the collectors from the ARCA headers to prepare for primary tube length adjustments.

Tools and materials

ARCA Race Car Headers — The headers undergoing the first stage of modification, DeWalt Band Saw DeWalt

What they say

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tri-wide collectors laying around that were that size so if i stuff them again i can use them and don't have to buy other ones which is exactly what we're gonna do we're gonna use these ones right here the other two are still under the car but they're going to get bolted to this like that and you can change the length of these by these intermediate pipes here give you a sneak peek of what's going on here this does exactly what we need exactly because with these on here the collector's right there and then you got the secondary collector it's gonna put the x-pipe right after the crossmember right in the perfect place for the car i was told that this the secondary collector is supposed to be the same length as the primary ones in a perfect world so we can move this around as we need to and i'm referencing it off of the header the existing header already just to give me something to hold this collector that way everything that we will go to bolt onto this will have this cylinder spread which is about the same for like every boom tube we have except for the ones that came off of the trucks i think they're a little bit wider but most of them are all the same so what we end up with as a finished header is going to be something we can slide any boom tube configuration into and test anything it'll be the perfect platform to test from and it's going to sound way different problem is it's going to take me a long time to do that so it's not going to be in this video but if you're new here make sure you're subscribed so you can see that i'm doing a whole do a whole walk through on it can explain what we're doing we stopped by mike ferris shop dog fabrication he makes those awesome welding cups and never met the guy before he was super helpful just unloaded tons of knowledge and turns out he used to build headers as his main job for nascar teams indycar he said he even went to europe and did f1 stuff like the dude is a header wizard and he told me everything that i was trying to figure out by asking people who didn't

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