True duals with Flowmaster 40 series?
True duals with Flowmaster 40 series? People on the Ford side seem to love this setup, but I never hear much about it here. How come it's not more popular on ls1s? I've never heard it myself, which is why I'm curious. 
Because the Mustangs come with factory dual exhaust. You have to have custom true duals made for the LS1 cars. I had 3" TD's on my '02 Z-28 and had 1-chamber Flowmasters and it was the best sounding exhaust I've heard. It'd make the Mustang guys jealous that's for sure.
I could clear speed bumps with myself in the car, but if I had a passenger, the right side would scrape a little. You could hammer under the back seats to make some more room and it wouldn't be noticable since the seat bottoms would be covering up the areas you use clearance a little.
Launching!
Joined: Feb 2005
Posts: 229
Likes: 2
From: Boston, MA
plus flowmasters sound completely different on a 4.6 stang 4V mustang than an LS1...mustangs sound nasty with that setup and i believe the best setup for the LS1 is true duals usig sweet thunder mufflers. theres a clip somewhere..it sounds fukin disgusting (in a good way of course)
I'm wanting to hear the sweet thunders in person so I can decide which I'll go with. From what everyone says, they sound badass. But it'd be hard to beat the 1-chamber Flow's I had IMO.
Launching!
Joined: Feb 2005
Posts: 229
Likes: 2
From: Boston, MA
https://ls1tech.com/forums/generation-iii-external-engine/350313-sound-clip-my-exhaust.html
that is the link to the thread with the sweet thunders...sounds nasty nasty; also bear in mind this is a h/c car I believe.
that is the link to the thread with the sweet thunders...sounds nasty nasty; also bear in mind this is a h/c car I believe.
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Thats what I have a good mind to do to mine. I was gonna make me a dual h pipe with some 40 series andput them there.
Wit the floorpans beat in like that will the seat bottom still lay flat? Not that it really matters because nobody ever rides in my back seat.
Wit the floorpans beat in like that will the seat bottom still lay flat? Not that it really matters because nobody ever rides in my back seat.
IMO, Twisters sound very similar to any Flowmaster setup I've ever done - without the clearance issues. Flow better too.
And yes, the rear seats look and feel pretty much the same - even with the floor-boards 'clearanced'.
And yes, the rear seats look and feel pretty much the same - even with the floor-boards 'clearanced'.
Originally Posted by ARCTICWHITE98Z28
TECH Fanatic
Joined: Nov 2001
Posts: 1,098
Likes: 0
From: I-L-L-I-N-O-I-S
Originally Posted by Lane
Anyone else have comments on this?
Thanks,
Mike
I have hooker lt's on my car tru duals (no x or h pipe) through 3 inch pipe, 1 chambers and turndowns about 1 foot from axle. i've had no clearance problems and it sounds great at idle and wot
Originally Posted by 2000LS1Z28
Wow, that doesn't look pretty...Is that what you really have to do to get these little 10 series one-chambers to fit properly before the axle? I really want to ditch my cat-back set-up for a 3" X-pipe with the Flowmasters, but not if I'm going to have to beat in the bottom of my car like that...
Anyone else have comments on this?
Thanks,
Mike
Anyone else have comments on this?
Thanks,
Mike
TECH Fanatic
Joined: Nov 2001
Posts: 1,098
Likes: 0
From: I-L-L-I-N-O-I-S
Originally Posted by Full-Force
Whats the big deal?
Just a personal preference thing, but you'd have to be in my shoes to understand why it would bother me...
I have that setup in my 85 and I love it.Its no ls1 but they fit the same. Didnt have my floor boards bet in . I dumped them before the axle and they do scrape if the car comes close to botteming out.
Originally Posted by 2000LS1Z28
The big deal is I don't want to beat the crap out of a certain part under my car...It's been extremely well-maintained inside and out to say the least (4,300 mile car that only comes out in the nice weather) since I bought it new and I'm keeping it that way for as long as I own it (even if it's something under the car that nobody will ever see)...
Just a personal preference thing, but you'd have to be in my shoes to understand why it would bother me...
Just a personal preference thing, but you'd have to be in my shoes to understand why it would bother me...
Last edited by BOONE; Jul 24, 2005 at 12:16 AM.