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-   -   3.8L stock piping size?? (https://www.gtcarz.com/chevy-gmc-70/3-8l-stock-piping-size-97293/)

Autopilotoff357 03-16-2005 09:31 PM

3.8L stock piping size??
 
I'm gettin a new muffler for my 96 RS and need to know what size the inlet needs to be. Can anyone help me with that?

Flowmaster 40 Series Delta Flow Mufflers
Muffler, 40 Series, 3 in. Inlet/ Dual 2 1/ 2 in. Outlet, Stainless Steel, Each
.....will that work???

SLPowerZ 03-16-2005 09:57 PM

youll need an adapter if you get a 3" inlet cause i'm pretty sure the V6s use a 2 1/2" intermediate pipe. if you're having a shop do it they'll just make the adjustments and weld it tho. btw why a 40s series, if u get an 80s series you'll have a tailpipe on each side in the back, w/ the 40s you'll have 2 on one side.

Autopilotoff357 03-17-2005 07:42 AM

Hmmm. Yeah I want one on each side but, on the Flowmaster site it said 80 series is only for V8s and the guy at the muffler shop I'm goin to recomended Delta flow 40 series.

McGruff 03-17-2005 08:08 AM

i had 80 series on my 6er...

Autopilotoff357 03-17-2005 08:15 AM

How'd the 80 series sound on your V6???

McGruff 03-17-2005 08:35 AM

better than stock. Not as ricey as other exhuasts out there. It sounds pretty horrible at first, but after you break it in, it gets to have a pretty good note up until about 3K.

SLPowerZ 03-17-2005 01:33 PM


Originally Posted by McGruff
better than stock. It sounds pretty horrible at first, but after you break it in, it gets to have a pretty good note up until about 3K.

there's no breaking flowmasters in because there's no fiberglass packing like other mufflers, they're all metal inside, the sound stays the same regardless of how long you have it on.

SLPowerZ 03-17-2005 01:36 PM

i had an 80 series on my 6 too, it didn't sound all that good above 3k like mcgruff said but thats because i had no cat and just the muffler. flowmaster sells a catback for the v6s that has a resonator on it to deepen the overall tone and get rid of that ricy sound the 6s are known for, that kit comes with the 80s series. keeping the cat on will help the sound also

SOMBirdV6 03-17-2005 02:51 PM

I just got the 80 series on today and im very happy with it. If you get a flowmaster dont get a full exhaust just go to a shop and have them put a 80 series muffler on with pipes and tips only cost me 270 bucks for it all and thats cheaper then BUYING the full cat-back. Youll love the sound of it even after 3k its not that bad espically compared to a civic or some crap.

JimmyFrance 03-17-2005 05:38 PM

Glad to see you got your exhaust. Just give it like... 2 weeks, you'll DEFINETALLY notice it sounding better and better. i was so dissapointed when i forst got mine on, but then after a few weeks i started liking it more and more.

Autopilotoff357 03-18-2005 08:17 AM

I already don't have a cat, and I wasn't plannin on puttin one on so...Idk. I think I'm gonna go up to the muffler shop and talk to him for a little while to see what he thinks and what he can do for me. Even if the 40 series comes out both on one side I'm sure there is somethin he can do.

SLPowerZ 03-18-2005 10:24 AM

don't get me wrong, i loved the sound of my v6 with the 80s and no cat or resonator, its all preference ya know

Bernotas05 03-18-2005 11:42 AM

I Have the whole cat-back american thunder 80 series with the resonator and all, it sounds real good. Yea yous are right it starts to get a lil raspy in the higher rpms. The sound does deepen after you have them installed a while.

camaro94 03-18-2005 01:59 PM

all exhuasts on the v6 get a little raspy at the higher rpms. Its the curse of the v6. ;)

SOMBirdV6 03-18-2005 02:56 PM


Originally Posted by camaro94
all exhuasts on the v6 get a little raspy at the higher rpms. Its the curse of the v6. ;)

yup


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