Exhaust

JORSWIFT · Post by **JORSWIFT** » Tue May 31, 2011 8:44 am

I have the stock exhaust on my 2002 GMC CC 4.3L. Was wondering what are peeps running on their trucks. Look for some sound and performance. Does anyone have a Cherry Bomb?

nebby58 · Post by **nebby58** » Tue May 31, 2011 12:26 pm

I used to have a thrush glasspack. They are all really the same. It will make is sound like a motorcycle at idle. Not incredibly loud, but it is a v6 engine. I'm running a y pipe and duals (incomplete) right now.

Post by **HenryJ** » Tue May 31, 2011 12:36 pm

The "New" Cherrybomb Vortex muffler is a combination of all three muffler designs. It is unique. I think it might make a good one for the V-6 too.
The Delta flow muffler I had on mine was pretty darn good. I still think the 3" cat back single is the sweet spot for the s-series V-6.
It will all depend upon what you want it to sound like , your driving habits and your environmental conditions.
You are building a horn. Tube size, muffler, length and tip all play a part.
Check with your local muffler guru. They know what works best for your area.

nebby58 · Post by **nebby58** » Tue May 31, 2011 4:11 pm

Not to hyjack your thread, but what does ID and OD mean when trying to measure the pipes?

Post by **HenryJ** » Tue May 31, 2011 5:03 pm

Inside Diameter and Outside Diameter.

nebby58 · Post by **nebby58** » Tue May 31, 2011 7:08 pm

Ok. So an 3" OD will fit outside of a 3" pipe.

Post by **HenryJ** » Tue May 31, 2011 7:54 pm

3" OD will fit inside 3" ID

sonomadude4x4 · Post by **sonomadude4x4** » Tue May 31, 2011 8:03 pm

i just run a Y pipe. . had a flowmaster but want loud enough for me i had it cut out a y pipe put in in place of it its a lot deeper sound with just the y pipe sounds alot better than my flowmaster did and i checked 0 to 60 times with the flowmaster vs the y pipe and the y pipe gave me better 0 to 60 times . . need to check your state laws and see if u can get away with haven just a y pipe i can get away with it here where i live to pass incpection but i just dont put my foot in it when i go by a cop

nebby58 · Post by **nebby58** » Tue May 31, 2011 8:13 pm

sonomadude4x4 wrote:i just run a Y pipe. . had a flowmaster but want loud enough for me i had it cut out a y pipe put in in place of it its a lot deeper sound with just the y pipe sounds alot better than my flowmaster did and i checked 0 to 60 times with the flowmaster vs the y pipe and the y pipe gave me better 0 to 60 times . . need to check your state laws and see if u can get away with haven just a y pipe i can get away with it here where i live to pass incpection but i just dont put my foot in it when i go by a cop

I had a 1 inlet 2 outlet magnaflow muffler put on by an exhaust shop. My best advice to a person putting on a new muffler is to take it to a shop. I just spent 2 days getting off the muffler with a hack saw. It is very hard to get an auto store to order a custom y pipe. I think the y pipe is the way to go, but it is hard to find the right fit.

sonomadude4x4 · Post by **sonomadude4x4** » Tue May 31, 2011 8:30 pm

im lucky i guess ive got a great exhaust shop close by its just a local place they had my muffler out and a y pipe in in less than 20 min

nebby58 · Post by **nebby58** » Tue May 31, 2011 8:34 pm

sonomadude4x4 wrote:im lucky i guess ive got a great exhaust shop close by its just a local place they had my muffler out and a y pipe in in less than 20 min

With the right power tools... I have blisters on my hands, but just got off the muffler today.

JORSWIFT · Post by **JORSWIFT** » Wed Jun 01, 2011 7:42 am

I really dont want duals. Just something to make a deep rumble and sound like a truck, not a jap bike or car.

sonomadude4x4 · Post by **sonomadude4x4** » Wed Jun 01, 2011 7:20 pm

u can still just cut the stock muffler out and put a single pipe in place of it . . heres mine with a y pipe heres a sound clip sound clip doesent do it justice its alot deeper in person

http://s283.photobucket.com/albums/kk31 ... I_0525.mp4

nebby58 · Post by **nebby58** » Sat Jun 04, 2011 9:28 pm

I did it! It wasn't easy but I now have the same set up as sonoma4x4. It was a week long project, but the y pipe is on now and sounds great. You're right, it does sound deeper in person.

sonomadude4x4 · Post by **sonomadude4x4** » Sun Jun 05, 2011 6:20 pm

yeah u keep the rpm's down below 2000 its sounds great.... between 2500 and 3500 its ok but above 3500 is when it starts screaming sounds nasty

riceburnr2005 · Post by **riceburnr2005** » Sun Jun 05, 2011 7:24 pm

hey sonomadude, so from i understand, are you not running a muffler at all?

sonomadude4x4 · Post by **sonomadude4x4** » Mon Jun 06, 2011 8:38 pm

no muffler at all ..just both the cats.. after the main cat its 2.5 inch pipe all the way back to a y pipe just before the axel back to 4 inch tips turned at 90 degrees behide both rear tires

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