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exhaust mod for 2.4 n/a

 
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  #1 (permalink)  
Old 25 Jun 2010, 11:25 pm
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Default exhaust mod for 2.4 n/a

Hi, i'm new to the forums just have a question on the exhaust upgrade i planning to get done don't know the stock pipe diameter but i was offered to go with "2.5 cat back with high pass flow resonator and muffler labour included for $475 CAD + tax. is this a wright thing to be done or should i do something else thanks in advance for your replies
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Old 26 Jun 2010, 02:38 am
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Default Re: exhaust mod for 2.4 n/a

Depends entirely on the quality of the parts. If they're name brand, then it sounds like a good deal, especially since it includes labor. (I believe the CAN - USD exchange rate is almost 1:1)

A 2.5" catback will do nicely for an N/A, and a high-flow muffler should result in a decent exhaust tone. Have you shopped around a bit or is this just being done on a whim?
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Old 26 Jun 2010, 07:55 am
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Default Re: exhaust mod for 2.4 n/a

i did preliminary quotation on the phone with this company Zoro Muffler because i used to do all my exhaust works for all my cars that i had because they have the cheapest prices in my area. and the price $475 cad with labour was for non stainless steel cat back because of the $ i didn't go wish stainless steel. that borla performance muffler is too much money to buy shipping and the labour to install it. how do you think is there will be a noticeable increase in HP or it will just upgrade the sound ? thanks
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Old 26 Jun 2010, 10:17 am
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Default Re: exhaust mod for 2.4 n/a

It will just upgrade the sound much like others do, especially if it is a catback.
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Old 26 Jun 2010, 12:59 pm
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Default Re: exhaust mod for 2.4 n/a

because in theory it should gain more HP because of the bigger pipe diameter means easier for the engine to throw out the air, if it is just for the sound then i believe it's not worth to do then, i try to find somekind of mods to increase a little bit HP
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Old 26 Jun 2010, 09:46 pm
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Default Re: exhaust mod for 2.4 n/a

Quote:
Originally Posted by Dimitry View Post
Hi, i'm new to the forums just have a question on the exhaust upgrade i planning to get done don't know the stock pipe diameter but i was offered to go with "2.5 cat back with high pass flow resonator and muffler labour included for $475 CAD + tax. is this a wright thing to be done or should i do something else thanks in advance for your replies
If you go with 2.5" you could actually lose power. You need backpressure with N/A motors. Go with a 2.25" mandrel bent exhaust with a chambered muffler for best performance. I would go with a magnaflow(#15680) you they are stainless steel and you can get one for under $400 from most sites that have the make an offer option. I got one for $365 Have not installed it yet but I cant wait


Fyi, to get the most out of you new exhaust make sure you do the free intake mods (search) and a k&n drop in filter

Last edited by ptcruiser94; 26 Jun 2010 at 11:36 pm.
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Old 26 Jun 2010, 11:10 pm
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Default Re: exhaust mod for 2.4 n/a

well i already did ractive cone filter adoption on stock rubber intake pipe sounds good plus ordered some goodies from US like live wires iridium spark plugs screaming demon ignition coil and helix tower spacer and have already mopar hurst shifter to be installed just waiting on booger bushings to be delivered
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Old 30 Jun 2010, 12:30 pm
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Default Re: exhaust mod for 2.4 n/a

The screamin demon ignition coils fail more often than stock ones do, and isn't needed - stock coil is fine.
The throttle spacer does ZERO.
Ignition wires are needed - stock wires are crap - gap plugs at 0.040.
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Old 30 Jun 2010, 06:06 pm
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Default Re: exhaust mod for 2.4 n/a

as far as i noticed the ngk iridium spark plugs coming pregapped at 0.060 so it better to regap to 0.040 ? better performance?
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Old 30 Jun 2010, 06:11 pm
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Default Re: exhaust mod for 2.4 n/a

N/A's should gap at .040. There is a correlation between larger gap sizes and performance, but for N/A applications, the best results are typically found when gapped at .040.
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