Long Tubes: Louder or quieter?

JonJon · Oct 5, 2004

For those of you with LT's on 99+ GTs, I'm curious, do LT's make it louder or quieter? What if the mid pipe and cat back aren't stock?

lopey4.6 · Oct 6, 2004

Actually I think they made my car a little quieter.

NasaGT · Oct 6, 2004

Can't have LTs and stock mid-pipe.

I think sound is mostly effected by the mid-pipe and catback. cats/no cats, x or h, chambered, etc...

Dgaffler · Oct 6, 2004

A bit quieter.

stangman · Oct 6, 2004

jonjon when i got mine on it actually quieted it down a bit at idle, but when i hammer it, it's definately louder

JonJon · Oct 6, 2004

NasaGT said:
Can't have LTs and stock mid-pipe.

I think sound is mostly effected by the mid-pipe and catback. cats/no cats, x or h, chambered, etc...

That's true. I just meant relatively stock, if you just threw LT's on as the first mod.

c2see21 said:
jonjon when i got mine on it actually quieted it down a bit at idle, but when i hammer it, it's definately louder

Yeah, that's what I thought -should- happen. Louder at WOT but some people were telling me it's quieter... and a few above you posted that it's quieter.

mustang70 · Oct 6, 2004

Are their headers coated? Maybe the coating has some sound deadening properties.

JonJon · Oct 6, 2004

lopey4.6 said:
Actually I think they made my car a little quieter.

Dgaffler said:
A bit quieter.

Even at WOT?

mnbf · Oct 6, 2004

hmm

Quiter and alot deeper\ less raspy sounding

just some guy · Oct 6, 2004

mnbf said:
Quiter and alot deeper\ less raspy sounding

<

BNH4.6 · Oct 6, 2004

Much louder at W.O.T with very little rasp. Very little drone at 2,000 rpm, idle is deeper but no louder than a stock car with weld-in flowmasters. The idle is much much cleaner and more refined than the stock manifolds. My best friend has a 04 Mach 1 with Pro-Chamber and Mac cat-back. Mine is louder at w.o.t but his is louder everywhere else idle cruising etc.. His drones about 7 times louder than mine and we are both off road.

el_kid_1 · Oct 6, 2004

At WOT, my car is much louder...sounds like a beast that wants to kill corvettes!

urban96 · Oct 7, 2004

told u they were quietier jonjon

GreekStang85 · Oct 7, 2004

LT's give a deep powerful sound match it with an o/r h and your choice catback and it will sound awesome

CottonBurnerz · Oct 7, 2004

a bit queiter but much more smoother sound... my friends like it alot

JonJon · Oct 7, 2004

urban96 said:
told u they were quietier jonjon

eh??

I bolded the belows.

c2see21 said:
jonjon when i got mine on it actually quieted it down a bit at idle, but when i hammer it, it's definately louder

el_kid_1 said:
At WOT, my car is much louder...sounds like a beast that wants to kill corvettes!

BNH4.6 said:
Much louder at W.O.T with very little rasp. Very little drone at 2,000 rpm, idle is deeper but no louder than a stock car with weld-in flowmasters. The idle is much much cleaner and more refined than the stock manifolds. My best friend has a 04 Mach 1 with Pro-Chamber and Mac cat-back. Mine is louder at w.o.t but his is louder everywhere else idle cruising etc.. His drones about 7 times louder than mine and we are both off road.

it's like half for quieter, half for louder

urban96 · Oct 7, 2004

quietier at idle/normal driving but louder at WOT

kboy262 · Oct 7, 2004

From my experience the cars are actually quieter down low (idle-2000rpm). Once you hit it pretty hard volume climbs pretty rapidly. But it sounds a lot cleaner thou with the LT.

maddogg545 · Oct 7, 2004

Quiter and alot deeper\ less raspy sounding

A tad quiter but a lot better sounding! Plus once you start doing Head and Cam work you will be glad you have the long tubes!!

JonJon · Oct 7, 2004

urban96 said:
quietier at idle/normal driving but louder at WOT

This whole discussion came up when I said my car sounded as loud, if not louder, than the 96-98 Cobra with LT's, o/r x, Mac cat back. And I was like Shouldn't LT's be louder and you said LT's normally make a car quieter. The context was at WOT

Long Tubes: Louder or quieter?

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