Maxflow owners help needed - Pontiac G8 Forum: G8 Forums -
Exhaust Tech Headers, Catbacks, Mufflers, lack of mufflers

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post #1 of 2 (permalink) Old 02-19-2016, 06:01 AM Thread Starter
Irish_riley's Avatar
Join Date: Jan 2012
Location: Springfield, MO
Posts: 58
Maxflow owners help needed

So just to give some background first, I have pacesetter lt's with 3 inch exhaust, thunderbolt high flow cats, x pipe, and now maxflow mufflers. I just switched to the maxflows from spintech pro shoot out mufflers. The car is cammed as well.

The spintechs had an amazing wot sound but the drone was almost too much to handle on long trips. As its my dd I opted to get the maxflows because I researched on here quite a bit and people were giving maxflows a "little to no drone" rating.

That being said I drove the car home from the muffler shop and honestly the drone is still about the same. It's quieter at higher rpms but the drone is more than just noticeable. I think at idle, the bass rumble is almost more than the spintechs.

Any suggestions on how to kill the drone. I'm not in to the j pipes as I tried that with my spintechs and it didn't phase them at all.

Thanks in advance guys.

MRR Design 20x8.5 20x10, HID's, led swap all the way around, H&R lowering springs.

Go fast junk:
Pacesetter LT's, custom 3" exhaust, spintech pro shoot out mufflers and j-pipes, custom CAI with K&N filter, TSP 231/236 cam, DoD delete, Yank 3200 stall.

416hp/390tq 12.76 1/4
Not the fastest but not your average family car either.
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post #2 of 2 (permalink) Old 03-21-2016, 08:36 AM
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Join Date: Jan 2014
Posts: 19
J pipes are probably the only option according to my experience!
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