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Old 03-31-2014, 10:46 PM   #1
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X-Pipe

I was wondering if this x-pipe would be worth it (BBK Off-Road Mustang X-Pipe 1669 (99-04 4.6L) - Free Shipping)

It is an off-road x-pipe so that mean the catalytic converter would be removed. This isn't an issue since I live in Kentucky and emissions are never checked. Plus straight piped trucks run here all the time. However I was wondering if removing the "cats" could damage my car. Oh and could my gas mileage be hurt because of this to? A 1 or 2 mpg loss is not too bad but anything over 3 and i'll start getting worried.

I've heard about the fuel smell and i'm aware of that.
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Old 04-03-2014, 01:38 PM   #2
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Old 04-03-2014, 01:51 PM   #3
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I have the same pipe. Gas mileage driving a V8 isn't that great anyways but I really haven't notice a huge difference on my 88 5.0. The odor is a bit more than normal but that's because of the no cats. These pipes were made for less restrictions. I love them and makes the car sound like a beast.
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Old 04-03-2014, 01:54 PM   #4
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I got the Pypes persion on mine with muffler deltes as well. Rarely have a gas smell, maybe couple times when windows down at idle. I think it makes a difference and helps. That said I have a 2013 but if you get you will probably need to tune since the cats will be removed.
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Old 04-03-2014, 02:01 PM   #5
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I have the same pipe. Gas mileage driving a V8 isn't that great anyways but I really haven't notice a huge difference on my 88 5.0. The odor is a bit more than normal but that's because of the no cats. These pipes were made for less restrictions. I love them and makes the car sound like a beast.
Yeah I understand the v8 gas millage is naturally bad but I don't want to make it heaps worse then it already is. Alright I will be removing my cats as well so i'm pumped for the sound. They are supposed to come in Monday!

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I got the Pypes persion on mine with muffler deltes as well. Rarely have a gas smell, maybe couple times when windows down at idle. I think it makes a difference and helps. That said I have a 2013 but if you get you will probably need to tune since the cats will be removed.
Alright so the smell isn't too bad. Yeah will not getting the tune for a little bit cause any issues?
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Old 04-03-2014, 03:14 PM   #6
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Yeah I understand the v8 gas millage is naturally bad but I don't want to make it heaps worse then it already is. Alright I will be removing my cats as well so i'm pumped for the sound. They are supposed to come in Monday!







Alright so the smell isn't too bad. Yeah will not getting the tune for a little bit cause any issues?

They ask in their questions if you have a midpipe or not.. So I would try to get a new tune ASAP
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Old 04-03-2014, 03:19 PM   #7
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They ask in their questions if you have a midpipe or not.. So I would try to get a new tune ASAP
I probably won't be able to get a tune for a couple weeks. Will this cause it to run lean or too rich?

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Old 04-03-2014, 03:29 PM   #8
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I probably won't be able to get a tune for a couple weeks. Will this cause it to run lean or too rich?

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Yes I believe so. Don't quote me though XD
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Old 04-03-2014, 03:42 PM   #9
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Yeah I understand the v8 gas millage is naturally bad but I don't want to make it heaps worse then it already is. Alright I will be removing my cats as well so i'm pumped for the sound. They are supposed to come in Monday!



Alright so the smell isn't too bad. Yeah will not getting the tune for a little bit cause any issues?
I Know it will throw a code for your sensors. I think it will also make you run VERY rich and burn too much gas.
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Old 04-03-2014, 04:37 PM   #10
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I have a 99 Gt with BBK O/R x-pipe. Gas mileage is the same, very little smell. Sounds amazing with full length headers into a three chamber Flowmaster exhaust system!! You won't be sorry.
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Old 04-03-2014, 10:35 PM   #11
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I Know it will throw a code for your sensors. I think it will also make you run VERY rich and burn too much gas.
Besides bad gas mileage could this cause any other issues?

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Old 04-04-2014, 04:35 PM   #12
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When I had my gt, I lost 2 mpg. Didn't have a tune either. I ran UPR off road x pipe with Flowmasters. At first the smell was bad but after awhile I guess you get used to it. Didn't bother me at all. Sounds amazing though! I miss it haha.
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Old 04-04-2014, 06:14 PM   #13
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When I had my gt, I lost 2 mpg. Didn't have a tune either. I ran UPR off road x pipe with Flowmasters. At first the smell was bad but after awhile I guess you get used to it. Didn't bother me at all. Sounds amazing though! I miss it haha.
That's what I like to hear haha. I should hopefully get a tuner by my next paycheck. But it could go 2-4 weeks without a tune and I didn't want to ruin anything. With this set up I will have a bbk off road x-pipe and a flowmaster muffler. I'm pumped?

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Old 04-04-2014, 08:02 PM   #14
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I haven't lost mileage. With a 93 octane tune my car runs stronger and is lighter on its feet so to speak!!
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Old 04-04-2014, 08:25 PM   #15
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I haven't lost mileage. With a 93 octane tune my car runs stronger and is lighter on its feet so to speak!!
Good! Some more positive information. Now the issue I'm dealing with is how loud will this be haha. Id rather not wake my neighbors up when I come home at 11 every night

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Old 04-04-2014, 08:30 PM   #16
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I mean it isn't even nearly that loud but I have a stock midpipe. Flowmasters though. Does the midpipe really make it that much louder...
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Old 04-04-2014, 08:34 PM   #17
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Good! Some more positive information. Now the issue I'm dealing with is how loud will this be haha. Id rather not wake my neighbors up when I come home at 11 every night

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What kind of Flowmasters do you have?
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Old 04-04-2014, 08:40 PM   #18
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I mean it isn't even nearly that loud but I have a stock midpipe. Flowmasters though. Does the midpipe really make it that much louder...
Look up videos of bbk off road x pipes and flowmasters. It's got a bit of sound to them

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---------- Post added at 09:40 PM ---------- Previous post was at 09:40 PM ----------

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What kind of Flowmasters do you have?
I honestly have no idea. The mufflers were on the car when I bought it

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Old 04-04-2014, 08:41 PM   #19
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I would get a h pipe with flows. Video doesn't do justice thohgh
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Old 04-04-2014, 08:47 PM   #20
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My car has BBK o/r X-pipe that goes into a three chamber Flowmaster exhaust out he back. It's got some sound in the car but you can still have a conversation. It barks out back though when you get on it!! In my opinion the 2 chamber sounds to hollow with headers and is too loud for me in the car.
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Old 04-04-2014, 08:54 PM   #21
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I would get a h pipe with flows. Video doesn't do justice thohgh
Is that the sound you prefer? I know the x-pipe has more of a raspy sound

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Old 04-04-2014, 08:55 PM   #22
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My car has BBK o/r X-pipe that goes into a three chamber Flowmaster exhaust out he back. It's got some sound in the car but you can still have a conversation. It barks out back though when you get on it!! In my opinion the 2 chamber sounds to hollow with headers and is too loud for me in the car.
So I need to look for a 3 chamber muffler to pair with. When it gets put on I will have to upload a video to see how you guys feel about it

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Old 04-04-2014, 09:04 PM   #23
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Get x pipe and slp's and wake up the world hehehe
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Old 04-04-2014, 09:15 PM   #24
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Your car is a Gt right?
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Old 04-04-2014, 09:19 PM   #25
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Get x pipe and slp's and wake up the world hehehe
Your advice will be taken into consideration! Haha


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Your car is a Gt right?
yes sir
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Old 04-04-2014, 09:26 PM   #26
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I have Tuned Length Headers, O/R X-pipe, and CherryBomb Vortex cat back, on my '04 GT!.. Me and the wife can easily hold a conversation when just cruising around!.. Now when I stomp on it I will Wake The Dead!.. Lol

Word of advice though... If your going with a X-pipe, then stay away from Chamber Styled mufflers!.. They will then sound a bit raspy and/or have bit of a Rattle Sound!.. Especially with Flows!..
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Old 04-04-2014, 10:16 PM   #27
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Okay!!
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Old 04-04-2014, 10:18 PM   #28
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I have Tuned Length Headers, O/R X-pipe, and CherryBomb Vortex cat back, on my '04 GT!.. Me and the wife can easily hold a conversation when just cruising around!.. Now when I stomp on it I will Wake The Dead!.. Lol

Word of advice though... If your going with a X-pipe, then stay away from Chamber Styled mufflers!.. They will then sound a bit raspy and/or have bit of a Rattle Sound!.. Especially with Flows!..
Do you have any recommendations on mufflers?

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Old 04-05-2014, 03:06 AM   #29
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Love the raspy sound! Especially above 2k Rpms! I went a month without tuning it. No negative effect other than the mpg lost.
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Old 04-05-2014, 08:59 AM   #30
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Do you have any recommendations on mufflers?

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I've got CherryBomb Vortex on my car!.. They are a Flow Through design and still sound nice and deep!.. Any flow through type of muffler will help keep it from sounding Raspy!.. X-pipe plus chambered styled mufflers (like FlowMaster) usually end up sounding raspy!..
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Old 04-05-2014, 09:55 AM   #31
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I've got CherryBomb Vortex on my car!.. They are a Flow Through design and still sound nice and deep!.. Any flow through type of muffler will help keep it from sounding Raspy!.. X-pipe plus chambered styled mufflers (like FlowMaster) usually end up sounding raspy!..

Yeah I've heard with mufflers like flowmaster the h pipe sounds the best.
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Old 04-05-2014, 10:08 AM   #32
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Yeah I've heard with mufflers like flowmaster the h pipe sounds the best.

Personally I'd pick another brand over FlowMaster!.. Their welds on the baffles tend to come lose after a couple years, and give your exhaust a "nice" rattle sound!.. Lol
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Old 04-05-2014, 10:32 AM   #33
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I was wondering if this x-pipe would be worth it (BBK Off-Road Mustang X-Pipe 1669 (99-04 4.6L) - Free Shipping)

It is an off-road x-pipe so that mean the catalytic converter would be removed. This isn't an issue since I live in Kentucky and emissions are never checked. Plus straight piped trucks run here all the time. However I was wondering if removing the "cats" could damage my car. Oh and could my gas mileage be hurt because of this to? A 1 or 2 mpg loss is not too bad but anything over 3 and i'll start getting worried.

I've heard about the fuel smell and i'm aware of that.
Where do you live in Kentucky bro?
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Old 04-05-2014, 02:36 PM   #34
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Where do you live in Kentucky bro?
Central Kentucky

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Old 04-05-2014, 03:31 PM   #35
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Lawrenceburg, Richmond, Berea, Somerset, Frankfort, Lexington, somewhere in there?
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