Question about 1994 Ford Aerostar Extended

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My muffler system there is 2 or 3 emission part in the pipes from the exhaust to the muffler. can a straight pipe rplact those 3 piecies?

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The only component that must stay in place to pass federal emissions is the catalytic convertor. If you are not concerned with emissions then a straight pipe will be fine. There will not be any adverse performance problems with a straight pipe. Please rate my help this helps me out , Thankyou RJ

Posted on May 30, 2010

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Posted on Jan 02, 2017

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Last time. I have Ford focus 2003 sedan dohc 2L. I lost a part from exhaust system. from back to front I see 1. tail pipe 2. rectangular box shaped part? Lunch Box? 3. missing part Muffler?


Starting from the front, coming off the exhaust manifold should have, 1. Exhaust pipe, 2. Catalytic converter, 3. Exhaust pipe, 4. Resonator, 5. Tail pipe. Also, there should be an Oxygen sensor somewhere around the catalytic converter.

Jul 02, 2017 | Ford Cars & Trucks

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DIY Replace Back Muffler / Resonator with Straight PipeSubject: DIY Replace Back...


DIY Replace Back Muffler / Resonator with Straight PipeSubject: DIY Replace Back Muffler / Resonator with Straight Pipe
Title: Increase Fuel MPG by Replacing Back Muffler

Overview:
When your back muffler fails, and or if you want a bit more gas milage, replacing the back muffler with a straight pipe seems to work fine and increase MPG. This is much cheaper than purchasing a back muffler with DIY or to have a local customer shop install a straight pipe.

Symptoms:
Back muffler failing, onion peeling and / or holes in the back muffler.

Experience Level:
Medium

Tools Needed:
Hack Saw, Ratchets, Wrenches, etc.

Time Needed:
About 1 hour:

Parts Needed:
Pipe parts from local auto store. Exhaust sealers, hangers, pipe tip (stainless)

Procedure:
Remove the back muffler by cutting the pipe before the muffler about 2 inches in front of the muffler. Replace with straight pipe components or have a shop do it. You will need some time to get it 100% right. It took me a couple of tries.

Outcome:
- Money savings in replacement.
- Slightly louder, but not much. Actually a better sound (subjective)
- 1-5 MPG gas savings, especially on open road.

Discussion:
I have done this on a 99 9-5 I4 for about 1 year now and it seems to be working fine. I am getting about 3+ MPG on the open road since this was done. It is an automatic with 140k miles solid 29-30 MPG with regular fuel on the open road. I really do not see the need for the back muffler / resonator at the present time.

I will be doing this on a 2001 V6 wagon soon. The muffler will be failing soon.

on Jan 17, 2010 | Saab 9 5 Cars & Trucks

1 Answer

What exactly is muffler drone?


an un baffled exhaust noise
causes the drone

resonators explained
How Mufflers Work
that set up has no back pressure on the exhaust manifold
almost straight pipe system


I didn't have this problem when i was running my factory mufflers and resonator.

you took out the resonator

Oct 30, 2016 | Dodge Cars & Trucks

1 Answer

How do you take the muffler off


On most cars, if it is the original muffler, it will be welded into the exhaust system. You would need to cut the muffler out of the system with a pipe cutter, hacksaw, or torch to remove it. Aftermarket mufflers are installed with clamps. Those must be removed in order to remove the muffler. Even then, the clamps will crimp the pipes together and you often have the chisel the muffler collars off the exhaust pipe to remove.

May 21, 2016 | Cars & Trucks

1 Answer

Exhaust question 93 silverado 5.7l 350. Singlr pipe Think its 3 inch pipe. There is no cat. On it and the muffler is cracked down the middle. Should i put a new muffler/glasspack in for performance reasons...


If you have no catalytic converter and replace the muffler with a straight pipe,, you WILL NOT BE ABLE TO HEAR YOURSELF THINK!!.. I took the converter off mine and it was SOOO loud.(have a Flowmaster dual outlet).. It WAS TOO LOUD.. I put a 28" "glasspack" inline..WHEW.. I can actually hear the radio now!!!

Flowmaster Mufflers

Jun 28, 2017 | Cars & Trucks

1 Answer

Why is my car riding hard. I just had the complete exhaust system replaced on my 99 intrigue and instead of the dual exhaust muffler the mechanic put a single exhaust muffler on it and now the car is...


its important to have the right amount of backprettiar in your exhaust, so if going from 2 mufflers and 2 pipes to a single one would need to enlarge the size of the pipe to compansate. or it wont breath right and end up gutless.

May 05, 2014 | 1999 Oldsmobile Intrigue

1 Answer

Convert dual exhaust on 99 sunfire gt to single?


You can cut out the Y pipe and replace it with a flex pipe from parts store, then clamp each end of the flex pipe, the pipe diameter will be 1-7/8 or 2 inch, also for the pipe replacement piece would work from a sunfire or cavalier from 1995 and up, might need to replace the muffler strap too. as it can break from rusting, if not already rusted and broken.

May 28, 2013 | 1995 Pontiac Sunfire

1 Answer

Muffler pipe rusted and broke clean in half, but actual muffler is new.


NEED TO TAKE VECHICLE TO MUFFLER SHOP LET THEM FIX RUST PIPE WITH A NEW PIPE.LET MUFFLER SHOP FIX BECAUSE THEY CAN WELD JOINT SEAL BOTH NEW EXHAUST PIPE AND NEW MUFFLER SO YOU WONT GET CARBON MONOXIDE POISON LET MUFFLER SHOP CHECK ALL THE EXHAUST SYSTEM BECAUSE THE WHOLE SYSTEM COULD BE RUSTED DROP DOWN WHILE DRIVING YOU PROBABLY NEED NEW EXHAUST PIPE HANGERS.

Jul 16, 2011 | 1996 Mazda Protege

1 Answer

2003 ford focus catalytic converter location


SECTION 309-00: Exhaust System 2003 Focus Workshop Manual DESCRIPTION AND OPERATION Procedure revision date: 01/24/2003 Exhaust System adobe.gif Printable View (214 KB) Vehicles with 2.0L Zetec-E enginee0008758.gif
Item Part Number Description 1 - Bracket 2 - Gasket 3 - Catalytic converter 4 - Bracket 5 - Gasket 6 - Front muffler 7 - Rear muffler 8 - Hanger 9 - Flexible pipe

Vehicles with 2.0L SPI enginee0010349.gif
Item Part Number Description 1 - Gasket 2 - Catalytic converter 3 - Bracket 4 - Gasket 5 - Front muffler 6 - Rear muffler 7 - Hanger 8 - Bracket 9 - Flexible pipe

Vehicles with 2.3L PZEV Enginea0072697.gif
Item Part Number Description 1 5G232 Catalytic converter 2 5K222 Mounting bracket 3 5K282 Head shield 4 9451 Gasket 5 5A262 Insulator 6 5E292 Converter and muffler assembly 7 9448 Gasket 8 5G203 Flex Pipe NOTE: The exhaust systems shown in this section are production systems.
The exhaust systems are of a two-piece construction for production and five-piece construction for service.
Catalytic Converter
The catalytic converter fitted to the Focus range resembles a small muffler. Because of the high temperatures at which the catalytic converter operates, the vehicle body areas around the catalytic converter are protected by heat shields. The catalytic converter controls three emissions; Hydro carbons (HC), carbon monoxide (CO) and oxides of nitrogen (NOx).
Catalyst deactivation due to poisoning
Sulphur (S) in the fuel can cause deactivation of the catalyst.
Lead (Pb) in fuel can cause a severe deactivation at levels above 5 mg per liter of fuel. It is therefore essential that vehicles with catalytic converters always operate on unleaded fuel.
Zinc (Zn) and phosphorus (P) present in some oils, can cause deactivation if oil consumption is high.
The effect of sulphur is felt most if it is released from the catalytic converter as hydrogen sulphide (H2S). This has an unpleasant odor similar to rotten eggs. Changing the fuel manufacturer may help in reducing this phenomena.
To minimize H2S emissions, it is essential that the idle CO level is within specification and that the engine emission system is functioning correctly. For additional information, refer to Section 303-08A or Section 303-08B.
ani_caut.gif CAUTION: If temperatures exceeding 900°C are achieved the catalyst substrates will start to deteriorate. It is important that the cause is defined and rectified if subsequent melts are to be prevented.
Catalyst melts are normally accompanied by loss of power due to excessive back pressure. For additional information, refer to Section 303-07A or Section 303-07B.
High substrate temperatures are caused by the ignition or the fuel systems. For additional information, refer to Section 303-07A or Section 303-07B.
Misfires at high engine speed may result in an almost instantaneous melt.

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Mar 07, 2011 | 2003 Ford Focus

1 Answer

Exhaust Pipe broke/Rust on muffler


Flex pipe will work, or if it's a straight section of pipe you can buy a universal piece of exhaust tubing with flared ends, trim off the rusty ends on your original pipe with a hacksaw or Sawzall and slip in the new section. Clamp it with 2 muffler clamps and you're set. Total cost should be under $40.

Apr 10, 2010 | 2000 Saturn L-Series

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