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    Question After market silencers,mufflers

    hi
    can any body giv any info on the after market mufflers/silencers available for our bikes,,?
    e.g, how much they cost?
    are they reliable?
    what r the advantages/dis of using these?
    do they affect perfoemance?
    is there any brand that is better other?
    any picture or video that should show it willl be grateful..
    also any more info will be we;come.. plezse give ur input,,also mention the bike for which u wil be commenting,,

    as an example i asked in pindi they were available for 700 rs for 70cc bikes and their quality weild wise was very poor,,


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    guys any updates on free flow and after market exhaust ..?? are they good or bad for engine

    where can i get like these in khi ...

    After market silencers,mufflers - 292381d1314816731 after market silencers mufflers dsc01333

    After market silencers,mufflers - 5452d1238257919 exhausts universal threads 141220081012
    Rise from the ashes,.....

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    Quote Originally Posted by getscorpion View Post
    guys any updates on free flow and after market exhaust ..?? are they good or bad for engine where can i get like this one in khi ... After market silencers,mufflers - 292381d1314816731 after market silencers mufflers dsc01333
    damnit! Ishtehari Deluxe!
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    Rise from the ashes,.....

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    After Market Exhausts are installed for 3 major different objectives:
    1. Performance
    2. Sound / Exhaust Notes
    3. Appearance

    1. Performance:
    If you want performance, go for Free Flow exhaust which do not have "Jaali", however while installing those you should also replace the the air filter to free flow air intake, these filters cost around Rs.120.... this exhaust and intake mod will help your bike breathe in and breathe out freely thus increasing power and performance. The downside of this mod is........fuel inefficiency.

    2. Sound / Exhaust Notes
    For Louder sound the best solution is "Namda wala Silencer". I personally hate them. Way too Loud. in these silencer there is no "Jaali" and the walls are filled with "namda"

    3. Appearance:
    "Dholki type Silencer" is popular for its appearance. These units come in both restricted and Free Flow exhausts. Desi usually free flow hotay hain.
    Bikes don't leak oil, they mark their territory.

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    ^great ..thnx for detailed reply ... and what are the good places in karachi to get one of these .. i m surprised to see they are using namda instead of steel or glass wool ..
    Rise from the ashes,.....

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    Default check out my 70cc band sound


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    Quote Originally Posted by getscorpion View Post
    ^great ..thnx for detailed reply ... and what are the good places in karachi to get one of these .. i m surprised to see they are using namda instead of steel or glass wool ..
    Namda is a highly dense material and lining it to the walls of the muffler ensures that you get low resonance sound. Matlab if you line it with namda the muffler will vibrate less as it will absorb less sound waves. Therefore the exhaust note is extremely irritating and loud.
    Bikes don't leak oil, they mark their territory.

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    ok bro .. and any good places in khi for dholki type exhaust .. ??
    Rise from the ashes,.....

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    Quote Originally Posted by getscorpion View Post
    ok bro .. and any good places in khi for dholki type exhaust .. ??
    Waterpump is a big market. Also try the market behind Dilpasand sweets (MA Jinnah Road)....dont remember the name of the market .....agar used branded silencers chahiye tow best place is Ranchorline. Whatever unit you buy, just make sure the installer tucks it in properly...werna mostly I see these aftermarket silencers hang low and wide matlab there is too much gap between the frame horizontally and vertically making it look bad and an afterthought. Make sure silencer wala tucks it in properly werna buhat bura lagta hai.
    Bikes don't leak oil, they mark their territory.

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    thnx alot bro .. i hv already been through water pump market but didn't find any good ... will soon visit the MA jinnah mkt ... about installation, i will keep that in mind .. also i hv heard that branded exhaust of diffrenet cc bikes can harm the valves or engine .. is that so ..??
    Rise from the ashes,.....

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    But these also have affect on Engine hay na ?

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    yep, engine blows too early... beside that awefull sound (specially if dholki is fitted) too... CG series ki bike sirf apny orignal silencer per he sahi Tone deti hai as per my experience ...

    Quote Originally Posted by talhabinomar View Post
    But these also have affect on Engine hay na ?
    https://www.pakwheels.com/forums/motorcycle-travel-diaries/277725-sober-riders-visit-khunjerab-adventurous-way-via-nori-pass

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    The Flaw of Free Flow Exhaust:
    basically what a free flow exhaust does is it get way too much pressure out of the exhaust valve of the engine.

    2 Types of Valves in Engine:
    There are 2 types of valves in the engine......the intake valve and the exhaust valve. intake valve is responsible for bringing in the air and fuel mixture from the carb into the engine. whereas the exhaust valve is responsible for sending out all the exhaust fumes out of the engine after the combustion has taken place.

    Don Mess the Engine Stroke Transition:
    Therefore when you install a free flow exhaust the pressure inside the engine will release too soon and too much. engine kay 4 strokes hotay hain and it should crank smoothly between all the strokes. Free flow exhaust messes up the stroke transition of the engine and you will notice your engine will be "nervous", the engine will have more wear and tear and will break down sooner.

    How to Avoid this:
    One way to avoid this from happening is to install a free flow air intake to match your free flow exhaust. Only then you have better chances of not ruining up your engine sooner than if you would have left it stock. Free flow exhaust should always be accompanied with a free flow air intake. It will increase power and your engine will rev up to higher RPM. Tempting right? but with more power comes more problems. You have to decrease the intervals between oil changes, infact full synthetic oil would be better if you are more leaned towards performance. its protects the engine better and also increase engine power because of its less resistance.
    Bikes don't leak oil, they mark their territory.

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    Turbocharge the engine
    The one thing that unites all human beings, regardless of age, gender, religion, economic status, is that, deep down inside, we all believe that we are above-average drivers.

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    Quote Originally Posted by devilskreed View Post
    Turbocharge the engine
    inshallah i am planing to turbo charg my delux ... but confroms first is it safe or not

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    Quote Originally Posted by han1911 View Post
    inshallah i am planing to turbo charg my delux ... but confroms first is it safe or not
    Well bhai first of all frame rigidity and balance should be your topmost priority..Thicker rims with more wheel base,,Sports ones then turbocharging wont be an issue
    The one thing that unites all human beings, regardless of age, gender, religion, economic status, is that, deep down inside, we all believe that we are above-average drivers.

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    Han man turbo charger is not very successfull in lower end bikes.... it requires more 'PUFF' in exhaust but may be mechnics have some workaround.... by the way are you interested in put NOS kit ? I have sources for that... (PS if you are interested I can almost get it for free for CG... let me know..)


    Quote Originally Posted by han1911 View Post
    inshallah i am planing to turbo charg my delux ... but confroms first is it safe or not
    https://www.pakwheels.com/forums/motorcycle-travel-diaries/277725-sober-riders-visit-khunjerab-adventurous-way-via-nori-pass

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    Inserting a turbo in an air cooled engine in our weather............hmmm.........brave......
    Engine wont take the abuse and chances are you will end up frying your piston rings in the first month.
    even if you forget about the engine for a while and consider it as a disposable entity.
    Turbo is too extreme for a CG125 chassis....... the chassis and drivetrain barely handles the 11 bhp the engine dishes out.... you would require a lot of modification to make the chassis and drivetrain cope up with more power and logically thinking its not worth it.

    If you want more power........buy a motorcycle with more power. Inserting a turbo is just too much.
    Bikes don't leak oil, they mark their territory.

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    axi bro!! he was actually refering to a CG-300 (295cc bike which already cranking a rough 20+ BHP) and we Just bought CBR Rims with 140/80 17 to replace its orignal 90/90-18 so that bike can actually get a Hold of the ROAD ......

    and yes its a CG-Deluxe frame and the modifications are done to control the vibrations and stiffness issues..

    just to imagine its out put, it revs at 8~9k to cross almost 100kmh speed in second gear ... the mechinic is fighting with petrol adjustments in higher gears... as fuel requirment changes on higher gears so thats work in progress...

    Its a complete insanity but is worth riding... it pays of only reving that machine in 1st gear

    Quote Originally Posted by aximaxim View Post
    Inserting a turbo in an air cooled engine in our weather............hmmm.........brave......
    Engine wont take the abuse and chances are you will end up frying your piston rings in the first month.
    even if you forget about the engine for a while and consider it as a disposable entity.
    Turbo is too extreme for a CG125 chassis....... the chassis and drivetrain barely handles the 11 bhp the engine dishes out.... you would require a lot of modification to make the chassis and drivetrain cope up with more power and logically thinking its not worth it.

    If you want more power........buy a motorcycle with more power. Inserting a turbo is just too much.
    https://www.pakwheels.com/forums/motorcycle-travel-diaries/277725-sober-riders-visit-khunjerab-adventurous-way-via-nori-pass

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    100km/hr is 2nd gear......... Thats a real feat for a 300cc engine. Which engine is it?
    If its so insanely smoking fast.......why the hell you wanna insert a turbo dude.........

    Remember! inserting a turbo will create a turbo lag and will affect the Acceleration.
    Bikes don't leak oil, they mark their territory.

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