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jj
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swapszone
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    Free Flow Exhaust System

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    swapszone


    Posts : 425
    Location : Mumbai

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    Post  swapszone 8th May 2009, 11:07 pm

    Free Flow Exhaust System

    as made by AUTOMECH ENGINEERS, Mumbai...

    What is a Free Flow Exhaust System

    A standard exhaust system of any cart consists of a cast iron manifold, fitted on to the engine cylinder head to route exhaust gases out of the engine’s cylinder. This provides an exit for the exhaust gases. A Free Flow Exhaust System consists of pipes with a calculated length that allows a free passage to the exhaust gases. These pipes help in clearing the exhaust gases more efficiently with lesser restriction than in a (standard) stock exhaust system and translates into improved power delivery. An increase in power by around 8-12% and torque by about 6-10% is achieved. This results in enhanced performance (driving pleasure).

    A free flow system consists of:

    => Header
    => Auxiliary Muffler
    => Expansion Chamber
    => Intermediate Pipes
    => Muffler (Stainless Steel)
    => Tail Ends

    HEADER

    The header is the main component of the free flow system. It is made up of pipes of a calculated length so that the exhaust gases are evacuated from the engine cylinder quickly and efficiently. This increase in exhaust efficiency results in better engine response and performance. All the pipes in the header are mandrel bent for dimensional consistency.

    AUXILIARY MUFFLER

    Most cars come with auxiliary mufflers from the factory. In a free flow system, the auxiliary muffler can be retained or an expansion chamber fitted in its place. The fitment of this muffler reduces the sound at the rear muffler. This muffler is of a straight-through design filled with a combination of glass wool and steel wool.

    EXPANSION CHAMBER

    This piece of equipment fits in the system after the header. Its main function is to boost torque in the engine’s power band. It can be fitted in place of the auxiliary muffler.

    INTERMEDIATE PIPES

    These pipes join the header to the expansion chamber to the rear muffler. The dimensions of these pipes determine the sound of the exhaust system.

    MUFFLER (STAINLESS STEEL)

    As in a stock car’s exhaust system, the sport exhaust also consists of a muffler to reduce the sound of the exhaust gases exiting the cylinder. This muffler features a perforated straight-through pipe with the surrounding area filled with a combination of steel wool and glass wool to tone down the sound of exiting exhaust gases as well as allowing minimum obstruction to the gases on the way out. The muffler also emits a sporty sound, a benefit of the straight-though design. These mufflers are available in mild steel or stainless steel. The stainless steel mufflers, in addition to enhancing the looks of the car, also last longer than ordinary mild steel ones. The muffler design can be tailored to get the sound to suit individual choices.

    TAIL ENDS

    Tail ends, which go on the mufflers, add to the cars appearance and are available in a variety of shapes and sizes.

    FYI...
    i got this info from automech website.... http://www.automechexhausts.com/
    hope it might help
    tc
    napster
    napster


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    Post  napster 9th May 2009, 12:22 am

    it sure does dude, nice info, ive been through this thing when my friend got his automech exhaust for his m800, i really dint knew that an exhaust had these many components..lol
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    swapszone


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    Post  swapszone 9th May 2009, 7:37 pm

    sorry that i dont have the pics here
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    jj


    Posts : 40
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    Post  jj 22nd May 2009, 9:28 pm

    what could be the cost of the exchaust say for M800 std. ??
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    swapszone


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    Post  swapszone 22nd May 2009, 9:48 pm

    say around 8000/-
    Vibhor
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    Post  Vibhor 22nd May 2009, 9:54 pm

    swapszone wrote:say around 8000/-
    On another site, I saw a member installed FFE in his alto for around 4.5k.

    VT
    napster
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    Post  napster 22nd May 2009, 9:55 pm

    as i mention before in this topic, my friend got his FFE from automech for 10,000
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    swapszone


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    Post  swapszone 22nd May 2009, 11:10 pm

    4.5k wud only be an endcan and not a complete FFE
    napster
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    Post  napster 22nd May 2009, 11:21 pm

    can we like, install an FFE without the end can, i mean can we use the stock endcan instead of the one which makes loads of noice?
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    swapszone


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    Post  swapszone 22nd May 2009, 11:23 pm

    not recommended
    napster
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    Post  napster 22nd May 2009, 11:27 pm

    the problem is, i dont want loud noice out of my exhaust but i want an FFE, now what am i suppose to do for that?
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    jj


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    Post  jj 22nd May 2009, 11:36 pm

    1) Infact we have a Swift Dzire(petrol)now and so the cost of FFE will be > Rs8000/-??
    2) Above this what could be the labor cost?
    3) In chennai- some places ,the roads are low and gets flood water and once our old FIAT stopped as water entered the silencer?? how about FFE with that huge cost??
    napster
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    Post  napster 22nd May 2009, 11:38 pm

    and swaps, what are the pros and cons of an FFE?
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    swapszone


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    Post  swapszone 22nd May 2009, 11:38 pm

    napster wrote:the problem is, i dont want loud noice out of my exhaust but i want an FFE, now what am i suppose to do for that?
    just get an endcan with low sound
    automech does it
    napster
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    Post  napster 22nd May 2009, 11:40 pm

    swapszone wrote:
    napster wrote:the problem is, i dont want loud noice out of my exhaust but i want an FFE, now what am i suppose to do for that?
    just get an endcan with low sound
    automech does it
    oh, is that possible??
    i like heavy sounds like the one which a lambo makes but only at high rpms, but when im crusing in the city i dont want any sound, specially no sound in the cabin, is that possible?
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    Post  swapszone 23rd May 2009, 12:33 am

    yup
    its abosulutely possible

    are u still in the 19th century :frustration:
    napster
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    Post  napster 23rd May 2009, 12:35 am

    lol,i dint expect m800 to have an FFE and not at all a custom made exhaust which can meet the customers specification
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    swapszone


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    Post  swapszone 23rd May 2009, 10:26 pm

    yuu are forgetting that we had lots of discussions on the TC M800
    FFE on the M800 are too common in Mumbai


    Last edited by raj_5004 on 24th May 2009, 12:53 pm; edited 1 time in total (Reason for editing : SMS lingo)
    napster
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    Post  napster 23rd May 2009, 10:28 pm

    mumbai is far ahead in customisation dude, hyderabad is still pickingup in that field, there not even a single garage here where you can get a proper fabrication done, forget about engine mods :lol:
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    swapszone


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    Post  swapszone 23rd May 2009, 10:43 pm

    real sad
    im_hummer_freak
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    Post  im_hummer_freak 24th May 2009, 12:56 am

    thanks for the info swaps.
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    jj


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    Post  jj 26th May 2009, 4:52 pm

    Please let us know where you could get FFE in Chennai/Tamilnadu.?


    Last edited by raj_5004 on 26th May 2009, 5:20 pm; edited 1 time in total (Reason for editing : short forms corrected)
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    swapszone


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    Post  swapszone 27th May 2009, 6:05 pm

    no idea about chennai
    napster
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    Post  napster 27th May 2009, 8:18 pm

    hey swaps, how much would an end can cost? i might get the exhaust from my friend but i dont like his end cans sound, its loud and irritating , i want a smooth and decent one,
    P3T3R
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    Post  P3T3R 21st June 2009, 4:58 pm

    Any info on DIY FFE jobs?

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