Exhaust questions.
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Senior User
Joined: Jun 2005
Posts: 238
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Exhaust questions.
I have a 1994 Ranger 4.0L 4x4 5spd that needs new exhaust. My desire is to get a louder exhaust system, but also as good or better gas mileage than the factory. I was thinking straight dual exhaust or a flowmaster set up.. what will these do? I am also open to suggestions and ready to learn anything I can.. Thanks.
Fleet Mechanic
Joined: Dec 2003
Posts: 1,436
Likes: 117
From: Virginia
Just an FYI, it is illegal in all 50 states to remove (without replacing) the converter your truck came with. For a street truck this makes no sense. The loss in back pressure will hurt your performance in the low to mid range, while you might see a minimal gain in the upper RPMs. Do some research and you will find in most all cases the gains, if any are minimal. Putting a nice high flow converter on will help your fuel economy while keeping it legal.
Elder User
Joined: Apr 2006
Posts: 600
Likes: 0
From: Cisco, TX pop: 2500
Open pipes on a V6 is not a good idea. You will need a muffler of some kind, because open pipes will give you a horrible sound quality. If you wnat Flowmasters, buy one with single inlet/dual outlets and have your local muffler shop put duals on your truck. You will be glad you did.
Post Fiend
Joined: Jan 2005
Posts: 7,147
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A highflow converter, and a good catback is the way to go, I run a gibson dual sport with jba headers, I very pleased with it. DO NOT run straight pipes, you will lose performance, and be very disapointed, and by all means stay legal. A good way to improve mpg is to reduce drag on your engine. An electric fan, and udp's work really well, and well also free up a few extra ponies as well.
Elder User
Joined: Oct 2005
Posts: 623
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From: Blytheville, AR
If you're looking at muffler options, I would offer a second route of going with SpinTechs. I just put one on my truck. I think mine was the Sportsman XL series, but am unsure. The sound is amazing. My '99 2.5L sounds more like a Pre-Runner desert truck. I thought I had a V6 for a little while, lol.
Post Fiend
Joined: Jul 2005
Posts: 8,462
Likes: 4
From: Durant, OK (SOSU)
I'll say the Flowmaster 40 series on my 4.0L V6 sounds great. Really pleasing to the ears.
Just whatever you do, don't run without a muffler. It's illegal in many places, and sounds HORRIBLE, especially on the four banger.
RP
Zach
Just whatever you do, don't run without a muffler. It's illegal in many places, and sounds HORRIBLE, especially on the four banger.
RP
Zach
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Senior User
Joined: Jun 2005
Posts: 110
Likes: 0
From: Louisiana
I unbolted the pipe just before the muffler and it was basicly almost strait pipes cuz my rear set of cats are hallowed out. It sounded like CRAP and hurt performance a lot. My truck has flowmaster's single in/dual out and sounds nice. It does not sound loud and will never sound loud like i want it to. It's a small 3.0 so there's nothing i can do. Never heard a 4.0 with my setup though. Id like to in person one day.
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Laughing Gas
Joined: Dec 2003
Posts: 751
Likes: 30
From: North Carolina
Some of the most powerful supercars in the world( i.e Porsche, Ferrari) make more power than you can use on the street, and they do it with cats on. You would need a dyno to tell the difference in power (if any), and it would be at the very top end, where if you run here, will negate any slight increase in mileage. A poorly done exhaust will hurt your power and mileage and sound bad. Do your homework, and ask for examples, you can even download some samples on the internet if you dig deep enough.
Post Fiend
Joined: Jul 2005
Posts: 8,462
Likes: 4
From: Durant, OK (SOSU)
What Flowmaster you got RagunCajun? Ain't seen you in a little while.
Could always try one of those American Thunder mufflers from Flowmaster, my friend has one on her Camaro and it sounds awesome.
RP
Zach
Could always try one of those American Thunder mufflers from Flowmaster, my friend has one on her Camaro and it sounds awesome.
RP
Zach