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Topic Review (Newest First)
03-19-2013 04:48 PM
mellephants I decided to make my car louder using the 2.5" exhaust from my 2002 Focus. It looked like it would kinda fit, which it totally did!

20130319_NEX5_IMG_20130319_083403 by mellephants, on Flickr

Note, in preparation to do this, I took care of "step 1" at home a couple days before going to the muffler shop... rear muffler delete.

20130319_NEX5_IMG_20130319_085152 by mellephants, on Flickr

20130319_NEX5_IMG_20130319_085206 by mellephants, on Flickr

Yes, the hump from my old exhaust fits over the 2012 subframe (with a little convincing from their hydraulic bender)

20130319_NEX5_IMG_20130319_094501 by mellephants, on Flickr

Even though my old exhaust flange looked like it would have bolted directly to the 2012 flange, we decided to weld the new piping to the stock piping after the flange, so that I could keep using the stock flange, because it has a lot better chance of never leaking this way.

20130319_NEX5_IMG_20130319_100028 by mellephants, on Flickr

20130319_NEX5_IMG_20130319_100036 by mellephants, on Flickr

20130319_NEX5_IMG_20130319_100112 by mellephants, on Flickr

Now, I thought about just leaving the exhaust like this, but to keep the noise somewhat reasonable inside, and avoid soot all over my bumper, I had them extend it out a bit past the bumper.

20130319_NEX5_IMG_20130319_100323 by mellephants, on Flickr

More shots of how it looks under there now (walking from the rear of the car toward the front):

20130319_NEX5_IMG_20130319_101043 by mellephants, on Flickr

20130319_NEX5_IMG_20130319_101443 by mellephants, on Flickr

Note I was unable to fit the oval Borla muffler in the same place I had it on my 2002 Focus. In the future I could try to stuff some other smaller muffler in there (Borla makes a 5" round 10" long muffler)

20130319_NEX5_IMG_20130319_101457 by mellephants, on Flickr

20130319_NEX5_IMG_20130319_101500 by mellephants, on Flickr

20130319_NEX5_IMG_20130319_101503 by mellephants, on Flickr

20130319_NEX5_IMG_20130319_101506 by mellephants, on Flickr

... and here's how it looks when it's on the ground. Very normal looking. Good.

20130319_NEX5_IMG_20130319_115717 by mellephants, on Flickr

... now how does it sound? Well, it sounds good... and loud. Which is exactly what I wanted, for now. Might as well get the red wheels, next, right?

Future plans to quiet it a bit more are either using the Borla round 5" x 10" length where I've got that straight pipe, or buying a mandrel 90 and re-using my oval Borla muffler under the trunk area (similar to the OE configuration, but about half the size/weight and 0.5" wider opening).

02-20-2013 09:33 AM
mellephants That doorjamb location is fine. It is inspectable every time I enter the car, the insulation is in great condition, the wire cannot interfere with the hinges, the hole has smooth painted edges, and the wire is properly fused.

I have already stated ITT that I will source a grommet. In my experience, a piece of heater hose works better than plastic loom, if I can't find a grommet I like. I will also look a bit more for a firewall passthrough, just so the wire is hidden, but not for safety reasons. I really like this location for safety. There is no engine heat, no movement, no oil, no dirt, no salt, etc... which are all things a lot of installers will subject a wire to by using a hole low on the firewall - the clutch hole on an auto, for example, is normally a terrible spot for those reasons.

If anyone has found a nice spot which does not require slicing factory wiring looms or grommets or drilling new holes, and is high up on the firewall away from heat and contaminants, let me know.
02-20-2013 07:23 AM
badazz2010focus yeah tell me about it, I'm sure theres a clutch pedal hole if he's automatic.
02-19-2013 11:02 PM
2005sangriaZX3 please, please run that power wire properly through the firewall with a proper grommet. That is an electrical fire waiting to happen. Car looks great though!
02-19-2013 07:50 PM
badazz2010focus small piece of wire loom will cure that...that 4 gauge? any car audio shop will have loom.
02-19-2013 06:07 PM
Deftmetal You should put a grommet around that wire in door jam. Don't want it to short out
02-19-2013 03:15 PM
mellephants Here's a quick picture of the head unit swap. I'm still not totally done with it, so it is just hanging in there with about 3/8 screws right now, because I don't like to overuse the plastic screw clips, but you get the idea.

Head unit swap parts list:

Metra 99-5827B
Metra XSVI-5524-NAV
Metra ASWC-1
Metra 40-EU10

IMG_20130216_100531_GNEX by mellephants, on Flickr
02-19-2013 03:01 PM
mellephants I've begun audio system upgrades.

The battery-top fuse holder from my old car wouldn't fit nicely on under the battery box on the 2012, so I found a plain black plastic fuse holder on Amazon (coincidentally, Littelfuse is located next door to the building I work in).

Littelfuse 298900 ($12.76 on Amazon)

20130218_30D_IMG_0036 by mellephants, on Flickr

20130218_30D_IMG_0037 by mellephants, on Flickr

After reviewing the photos, I noticed the ring terminal on the left isn't seated nicely, so I went out and fixed it. I didn't re-take the pictures, though, because it was dark by then.

20130218_30D_IMG_0040 by mellephants, on Flickr

I just snuck a ring terminal under the OE battery strap, and tucked the 4 AWG into factory wiring channels.

20130218_30D_IMG_0041 by mellephants, on Flickr

20130218_30D_IMG_0042 by mellephants, on Flickr

I still haven't attached it very well, but it doesn't move around too much. I will probably 3M doublesided tape or velcro it to the fuse box lid, unless I think of some better place to hide it. At least it isn't translucent or bright red or anything.

20130218_30D_IMG_0045 by mellephants, on Flickr

20130218_30D_IMG_0052 by mellephants, on Flickr

To get the wiring into the car, I went through the fender/doorsill, then under the carpet on the driver's side. This is the only place the wire is visible, which I am not totally happy with, but it didn't require any modifications or cutting of anything. Instead of punching a hole in the factory grommet for this hole, I just removed it. I will source a replacement grommet to cut a hole in, so the original can be installed if the wire is removed later on.

20130218_30D_IMG_0044 by mellephants, on Flickr
02-18-2013 11:22 PM
Kevastator Sounds like a little racecar in the video!
02-18-2013 08:37 PM
mellephants Also I went down to the scale for some rough weight numbers with my daughter, myself, a full tank of gas, and three or four bags of stuff in the car.

All numbers in pounds, and the scale rounds to 20's.

Overall: 3260

Left: 1640
Right: 1580
Front: 1880
Rear: 1360

Front Left: 980
Front Right: 920
Rear Left: 700
Rear Right: 680

These numbers don't sum correctly, though. *shrug*

L+R = 3220
F + R = 3240
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