Challenger Trunk Texture coat? Also seam seal question

What texture coat should I use for the insides of the quarter panels? I've tried a couple but can't seem to duplicate that factory texture.

Also if anyone knows of any tricks for making the seam sealer in the trunk look factory, please let me know. Thanks.

What gun are you using to spray product in the trunk? I've used rubberized undercoating, petroleum based undercoating & truck bed liner all with decent results, the key is a large enough undercoat gun & playing with the air pressure..

What gun brand do you use? I'm assuming an undercoat gun is different than a regular paint gun with a big tip?

Quote:

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What gun brand do you use? I'm assuming an undercoat gun is different than a regular paint gun with a big tip?

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I use a Sata, the pickup tube is 1/2" id & the spray nozzle is about 5/16" so yeah it's different from a regular paint gun with a big tip..

Mine is much older but looks like this

http://www.sata.com/index.php?id=1529&L=18