Hooker Side Tube Insert Direction?
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Joined: Mar 2002
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From: Colorado
Hooker Side Tube Insert Direction?
Stupid question: I'm one of the weird ones that want my side tubes quiet. I have new, reverse flow hooker inserts and don't know which direction to place them in the tube. They don't look the same on each end on the inside and are not marked for flow direction. Any ideas would be welcomed.
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From: Colorado
Duhhh, yep... you're right that one end is larger than the other. Just measured and the outside diameters of each end differ by approximately 0.1" - this answers how they stay secured in side the tube too which I was wondering about. Thank you so very much!
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From: Colorado
I see the 'humps' when looking into the end that has the larger outside diameter - which would align that towards the headers. The humps I'm looking at appear to be the back sides of the perforations pressed into the inner tube - sort of like looking at a cheese grater from the non-cutting direction.
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I put the same ones in my hookers that I installed a couple months ago. make sure theres no dings or bends on the flanges on each end if so just tap them out as this seals the muffler in the side pipe. I know this as I had to take the drivers side apart as it rattled. I also changed the clamp bolts on the side pipes to stainless socket head as this was much easier to tighten them down. I have a stock 77 l48 and the reverse flow actually made my car run better. they are quiet enough you can have a conversation while cruising down the road but still have a nice sound to them. only down side to the side pipes so far is the heat factor. I pulled all the carpet and put in new insulation and it really helped a lot.
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From: Colorado
Thanks all - everything's together and working fine. I do like the reverse flow mufflers a lot. They do take a very slight performance "edge" off the curve, and they are not "quiet" by any stretch, but one can have a conversation next to them and I don't feel like I'm on a race track. For my use, the very small percentage of the time I'm at or near red-line makes the reverse flow just right. It rumbles very nicely at idle too. Again, thanks all!
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