Negative Effects of "Dumps"?

onefstsnake · Dec 11, 2005

I have an almost bone stock 93 Notch.
Only mods are pulleys, 4.10 gears and flowmaster cat back.

The drone of the flowmasters is getting old... and the system is pretty rusted and poorly welded.

Ive seen the MAC Pro Dumps and those look nice.

But I have a few questions...

1. Will the dumps make the inside of the car smell like exhaust?
2. How will I get emissions done with the dumps on? (2 years from now)
3. How loud will the dumps be compared to the flowmaster cat back?
4. What kind of tone do the Pro Dumps make? (raspy or throaty)

Thanks, just want to get some opinions before I spend the money.

BaXTeR3221 · Dec 11, 2005

I think MAC exhaust is one of the best sounds out there. However, with dumps, its much much louder in the car. It shouldn't effect emissions since your cats are before the mufflers, unless you need to have tailpipes for the visual.

86bluecobra · Dec 11, 2005

yes you will get more of an exhaust smell in your car espesially when you are stopped and idling i.e. stop lights stop signs stop and go traffic.

onefstsnake · Dec 11, 2005

Well in VA when they do emissions they hook a sensor to the tailpipe...

Just wondering how they will do that if there arent any tailpipes, just dumps under the car...

So will the car be much louder from outside of the car?
Dont want to wake up the whole community...

Will I notice any performance differences by going to the MAC Pro Dumps?

aaros · Dec 11, 2005

mine seem to drone a little around town with my 2.73's but with 4.10's you should get into a rpm range that is better. i dont have a gassy smell from my dumps, that came from a bad seal on my tank.

onefstsnake · Dec 11, 2005

But how much louder will they be at WOT compared to the flowmasters?

1SLO306 · Dec 11, 2005

I dont have a exhaust gas smell in my car. I does get loud inside with 4:10's with dumps but it doesnt bother me at all.

gt40_2003wes · Dec 11, 2005

i have dumps and dont have any exhaust smeel but it will get quite a bit louder with them.

onefstsnake · Dec 11, 2005

how much is quite a bit louder? Like twice as loud?

Loud enough to get pulled over? lol

Foxfan88 · Dec 11, 2005

you could keep your flows
cut off the tail pipes and make your own turndowns. or even take it to an exhaust shop will do it for a decent price, like 20$

turndowns sound much better i think. me my friend and couple 5.0 guys i know have them, me and one guy dont even have turndowns, just straight muffler. Cars are damn loud inside and out.

then i know a person who has a mustang with bbk headers, offroad h and flows with tailpipes, car is SO QUIET at idle, opens up more at WOT and sounds nice.

i think you'll like a dumped exhaust, sound better imo. everyone tells me my car sounds real good, but i have never heard my car drive, i've been the one driving it, only hear it idle from the outside.
its not loud enough to get pulled over. its not like open headers or anything, now thats loud

i remember when i first heard my car before i bought it, it was LOUD and it would make that "noise" in your ear, and made your voice sound funny.

but now i am used to it and its not so bad.

1SLO306 · Dec 11, 2005

onefstsnake said:
how much is quite a bit louder? Like twice as loud?

Loud enough to get pulled over? lol

they make the exhasut beat the ground rather then to just coming out the back.
it carrys more i think.

When a dumped mustang and tail pipe mustang are parked beside each other(both runnin) and the tails car shut off u cant tell it cause the dump car are louder then it.(or at least i cant tell it shut off)

onefstsnake · Dec 11, 2005

I just dont want to get pulled over for it...

will it really be that loud with a stock engine, headers, cam?

I want it to sound nice but not obnoxious...

Foxfan88 · Dec 11, 2005

it will be quite a bit louder, but its not like omgomg loud

i doubt the neighbors or the cops will really care

worst i've ever done is set off some car alarms driving like 15mph in an apartment plaza

1SLO306 · Dec 11, 2005

Foxfan88 said:
it will be quite a bit louder, but its not like omgomg loud

i doubt the neighbors or the cops will really care

:Word: I had cops pull up beside me and say "that thing sounds nice" Cops wont be a big deal unless thier dicks

onefstsnake · Dec 12, 2005

blake89stang said:
:Word: I had cops pull up beside me and say "that thing sounds nice" Cops wont be a big deal unless thier dicks

There are cops that arent dicks???

I wish I could see a comparison between the flowmasters and MAC Dumps to see the difference in decibles...

RsStanG1987 · Dec 12, 2005

The Dumps are like 3X louder and if noise is a police concern you will get pulled over.

Curse · Dec 12, 2005

onefstsnake said:
I just dont want to get pulled over for it...

will it really be that loud with a stock engine, headers, cam?

I want it to sound nice but not obnoxious...

My car with shorty headers, o/r x-pipe, flowmasters and dumps sounds whisper quite at idle and around town, but as soon as I open her up she will roar. I get a lot of compliments on the way it sounds, not just like any other flowmaster equipped mustang.

I did get a that damn gassy smell in my car, which sucks so much I think I will go back to a full exhaust.

onefstsnake · Dec 12, 2005

Maybe I could run side exhaust???

Since its a Notchback there would be alot of ground clearance compared to the GT's

RsStanG1987 · Dec 12, 2005

onefstsnake said:
Maybe I could run side exhaust???

Since its a Notchback there would be alot of ground clearance compared to the GT's

Im pretty sure the clearance is the same its just the ground effecrs get in the way.

Foxfan88 · Dec 12, 2005

shouldnt have any clearance problems....

Negative Effects of "Dumps"?

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