Anyone running cutouts or sidepipes? - Ford Mustang Forum
 
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post #1 of 11 (permalink) Old 09-12-2006 Thread Starter
 
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Anyone running cutouts or sidepipes?

I was thinking about putting some cutouts on after the cats to get some more volume out of the stang. How does it sound? I was also wondering if anybody makes sidepipes for the new mustang other than Cervini? Thanks..

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post #2 of 11 (permalink) Old 09-13-2006
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Quote:
Originally Posted by Frank99ta
I was thinking about putting some cutouts on after the cats to get some more volume out of the stang. How does it sound? I was also wondering if anybody makes sidepipes for the new mustang other than Cervini? Thanks..
I ran electric cutouts on a previous ride. Good for the strip. Bad for the street. Actually lost gas mileage. Plus it's really not a good sound for around town. If you want loud, go with a set of SLP Loudmouths.


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post #3 of 11 (permalink) Old 09-13-2006
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Go for the exhaust cut offs.

I have a pair of QTP electric exhaust cut offs with the optional digital control on my 05 GT coupe.I love them, i should have left the stock exhaust on,but i replaced it with Magna Flow,then got exhaust cut offs.I wasted money on cat back exhaust,could have bought & had installed for less than Magna Flow exhaust.You can get any sound you want with this set up, 0% upto 100% open & anywhere in between .Your car can sound like any aftermarket muffler offered,with the OEM ones left on.You should here mine, i have a Kenne Bell 2.6L blower when my cut offs are fully open i set of car alarms with the concussion of noise & power.They are all stainless so you will need a good welder to install them.Hell no one these days know what cut offs are.
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post #4 of 11 (permalink) Old 09-13-2006
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Quote:
Originally Posted by Born To Run
I have a pair of QTP electric exhaust cut offs with the optional digital control on my 05 GT coupe.I love them, i should have left the stock exhaust on,but i replaced it with Magna Flow,then got exhaust cut offs.I wasted money on cat back exhaust,could have bought & had installed for less than Magna Flow exhaust.You can get any sound you want with this set up, 0% upto 100% open & anywhere in between .Your car can sound like any aftermarket muffler offered,with the OEM ones left on.You should here mine, i have a Kenne Bell 2.6L blower when my cut offs are fully open i set of car alarms with the concussion of noise & power.They are all stainless so you will need a good welder to install them.Hell no one these days know what cut offs are.
I was interested in getting those myself. Is the amount of cutout variable? It appeared from what I could find that it was set somewhere between fully opened and fully closed. How low does it hang? I showed it to my local muffler shop, whose ownere also happens to own a GT and is very familiar with them, and his thoughts were that once you angled the cutoffs down away from the underside of the car, they'd be very low to the ground and vulnerable to damage.

'05 Sonic Blue GT w/ '07 V8 engine, 5-sp, IUP, Beige leather interior, nothing else -
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post #5 of 11 (permalink) Old 09-13-2006
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As sensitive as these cars are to flow I would suspect that you would have to reflash your EEC every time you opened and then closed your cutouts. Might be more trouble than what little they are worth.

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post #6 of 11 (permalink) Old 09-13-2006 Thread Starter
 
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I've been using cutouts on my car for years.. Right now, I have no mufflers on my stang.. just pipes where the muffler use to be.. I was wanting something louder so I was looking into getting some cutouts.. I don't think the car is that loud now.. Try driving around with a cutout in the intermediate pipe of an f-body.. That is loud... Could you possibly post a sound clip of the cutout wide open? I would appreciate it.. Thanks..
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post #7 of 11 (permalink) Old 09-13-2006
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Quote:
Originally Posted by Frank99ta
I was thinking about putting some cutouts on after the cats to get some more volume out of the stang. How does it sound? I was also wondering if anybody makes sidepipes for the new mustang other than Cervini? Thanks..
Here's a video of my friends 05 with cut out.


The blue 05

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post #8 of 11 (permalink) Old 09-14-2006
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exhaust cut offs

Clearance is not an issue,you don,t turn them down at 45.Mine are just 1/4 " lower than the exhaust.You don,t have to re flash your ecu.You can set them to any degree of of open you want.Install them just behind the cats.Any other takers??
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post #9 of 11 (permalink) Old 09-15-2006
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I'm game

Whose did you buy, and do you have a link?

Got pics of the installs?
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Quote:
Originally Posted by Born To Run
You don,t have to re flash your ecu.You can set them to any degree of of open you want.Install them just behind the cats.Any other takers??
If you don't have to reflash the computer then there must not be any significant flow gain. No point in having cutouts. Unless all you want is noise. These EEC's on our cars are so sensitive to flow gains.

08 Corvette auto 10.88 @ 125.25 mph, 1.56 60'
06 Mustang 12.907 @ 104.87 mph, 1.959 60'
98 Camaro auto 10.76 @ 122.64 mph 1.44 60'
88 347 Mustang - 10.30 @ 127 mph, 1.36 60'
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Re exhaust cut offs we address

The idea of these is to have as little engine volume or as much as you want.Heat is a product of combustion,get rid of it asap,let things breath better,why do race cars run headers only?Here is the web address www.quicktimeperformance.com.
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