3.5" single exhaust options?

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Dec 27, 2018 | 10:58 AM

#11

arthursc2

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Thanks for posting that! She is super mellow! Makes me wanna get off my *** and finish my muffler swap.

Did you notice the MF changing note over time? Some reviews I read stated that they felt it got louder over time. Thought I'd ask your opinion on the matter

Dec 27, 2018 | 09:28 PM

#12

Jonblarc7

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From: NC

I thought it would but can’t say i really ever noticed it getting louder.

Dec 30, 2018 | 11:30 AM

#13

rumblebox

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Quote:

Originally Posted by smokeshow

I wonder if it sounds like total **** without the cats. Wouldn't mind ditching the magnaflow for that on my Colorado if it didn't sound like total *******.

It actually sounds decent. No interior drone at all and none of that buzzing cackle you get with aftermarket setups and no cats. I'm still running the stock muffler and resonator. 200k miles and no rattles..... assuming it's still original.

Last edited by rumblebox; Dec 30, 2018 at 11:55 AM.

Jan 5, 2019 | 10:56 AM

#14

MWRitter

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Just to put a period on this, can anyone think of a reason why the 3.5" Magnaflow catback for an 07 Yukon Denali XL wouldn't fit my 07 Avalanche? I know there is overlap in part numbers for some manufacturers for the Yukon XL / Suburban / Avalanche. Magnaflow happens to have a 3" system for the 5.3/6.0 trucks and the 3.5" system for the 6.2s.