Hello, I am looking to do a new cat back dual set up. I want to cut it off right before the y pipe and add flanges to both pipes ...

mark5:9 · by **mark5:9** [OP] » Jul 23 2012, 9:19pm

Hello, I am looking to do a new cat back dual set up. I want to cut it off right before the y pipe and add flanges to both pipes and bolt in the new system. I also plan to use cherry bomb glass packs. With this set up, can I achieve a nice rumble at idle? Also, I would like it to roar while on the pedal and cackle when I let off. Is this possible, or am I asking to much of this set up? Thank you.

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mark5:9 · by **mark5:9** [OP] » Jul 25 2012, 4:23am

is this not a reasonable set up? Thank you.

tcarr25 · by **tcarr25** » Jul 25 2012, 4:27am

So are you wanting to run true duals? Also the glasspack will give you the popping and cracking you want.

mark5:9 · by **mark5:9** [OP] » Jul 25 2012, 5:06am

Yes. I was planning on cuting it at the y right after the cats and running two pipes with a cherry bomb on each pipe. I am then going to have it exit on both sides at the same angle the factory one exits on the passinger side. Thank you.

zacharyh687 · by **zacharyh687** » Jul 25 2012, 5:14am

i have true duals on my 09 GMC with the 4.8l i have magnaflow mufflers on it right now but when i first bought it it had flowbastard 40 on it and when in park or neutral if i would rev it up to 3-4K when it idled back down it would crackle. my maggs don't do this as much but if i manually down shift it will crackle say if i am going 60 and drop it into 3 and let it decel on its own it will crackle a little.

mark5:9 · by **mark5:9** [OP] » Jul 25 2012, 11:04am

Will the muffler need to be put somewhere specific to achieve that sound, or stock location ok? Thanks.

zacharyh687 · by **zacharyh687** » Jul 25 2012, 2:44pm

My mufflers are between the front of the bed and the rear axle about where the stock muffler should be. I can not comment on the stock exhaust location exactly because i bought my truck used and it had already had the exhaust done. I just changed the mufflers out to magnaflows.

tcarr25 · by **tcarr25** » Jul 25 2012, 2:51pm

It doesn't matter a glasspack is going to pop and crack regardless of location. If you really want it to make noise get it real hot and stick a water hose through the pipe to it and spray it. It will burn out all of the fiberglass packing in there.

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Hello, I am looking to do a new cat back dual set up. I want to cut it off right before the y pipe and add flanges to both pipes ...

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