DIY: Si axleback on DX/LX/EX

**dentrecords** · 03-09-2007, 04:59 PM

What you'll need.

-Si Axleback Exhaust
-Si gasket off resonator
-12mm socket, Ratchet
-Can of PB Blaster is very helpful
-Long flathead screwdriver
-Jack, Stands, Chocks (you really shouldn't be messing about underneath the car if you haven't taken the appropriate precautions)
-A nice warm place to do this. I found a heated garage before the start of my shift is perfect.

Let's get started.

Collect the Si Axleback exhaust and the gasket from the resonator.

Jack the car up using the appropriate precautions.

The bolts that hold the axleback on are located just in front of the rear axle. You will need to remove these.

You may find they don't come off like they were just installed from the factory so you may want to give them a squirt with PB blaster. Alternatively, you can also use an impact wrench or long breaker bar.

Use the long flathead screwdriver to break the muffler free from its hangers. You can also use your hands.

Here are the two mufflers. The Si exhaust has a larger diameter inlet pipe and a much nicer looking tip.

Remove the gasket from the resonator. I used the flathead screwdriver and wedged it in between the piping and the gasket itself. Take care at this point not to damage the original gasket in case you want to reuse it (although a new gasket is the recommended way to go).

The Si gasket on the left, versus the LX gasket on the right.

The resonator sans gasket.

With the Si gasket. It's a little bit loose, and you'll need to sandwich in between the axleback and the resonator until you get the bolts in place. I used the same bolts that I just took off to put the axleback in place.

At this point, once you've got the bolts back in, re-torqued, and the hangers in place, you can get out from underneath the car and admire your work.

Enjoy your car's improved appearance and sound.

***Mikey6p*** · 03-09-2007, 05:11 PM

You gotta check the tension on the springs that go with the muffler bolts. If the springs are loose when the bolts are bolted all the way in, you have to take it apart and stretch the springs or add a big washer. If you don't, you get some ghetto fabulous spring rattling.

truflip · 03-15-2007, 05:58 PM

nice DIY dentrecords? is your Si exhaust gone? sold it to someone?

***Janizary*** · 03-15-2007, 06:01 PM

You must spread some Reputation around before giving it to dentrecords again.

**dentrecords** · 03-16-2007, 11:26 AM

Quote:

Originally Posted by truflip

nice DIY dentrecords? is your Si exhaust gone? sold it to someone?

I put it on my girlfriend's car

truflip · 03-16-2007, 05:51 PM

.. i wanna buy local =(

**dentrecords** · 03-16-2007, 07:13 PM

then you should pressure Steph into upgrading hers

datbacker59 · 03-18-2007, 11:33 PM

Quote:

Originally Posted by Mikey6p

You gotta check the tension on the springs that go with the muffler bolts. If the springs are loose when the bolts are bolted all the way in, you have to take it apart and stretch the springs or add a big washer. If you don't, you get some ghetto fabulous spring rattling.

you just solved my problem

THANK
YOU

remarqable23 · 03-20-2007, 01:30 AM

Really want to do this mod but where am I going to find a Si axleback?

**dentrecords** · 03-20-2007, 01:38 AM

Quote:

Originally Posted by remarqable23

Really want to do this mod but where am I going to find a Si axleback?

Lots of them to be had here:

http://www.8thcivic.com/forums/forumdisplay.php?f=23

***Phalanx*** · 08-10-2007, 02:41 PM

I hate to bump this old of a thread, but I have one question. I have a OEM Si AxleBack being shipped to me, but it does not have the SI Gasket. Is the gasket something I can go buy at a local hardware store? or is it really custom fit to the Si?

I'm going to be doing this as soon as my AxleBack arrives, so I just want to be prepared.

Thanks!

***Mikey6p*** · 08-10-2007, 03:59 PM

You can do without it. I have the LX gasket in mine....it seems to be sealed up fine.

**dentrecords** · 08-10-2007, 04:23 PM

I'd check your local dealer for pricing.. you might end up spending $10-15 but at least you know it fits..

.. or as Mikey just said don't worry about it and use your stock gasket.

***Phalanx*** · 08-10-2007, 09:07 PM

Ahh nice. Yea, ill check the local dealer tomorrow then.

Thanks guys!

***Phalanx*** · 08-13-2007, 11:07 PM

Went ahead and used the stock gasket, it fits fine. heres the 'after'

**dentrecords** · 08-13-2007, 11:14 PM

good stuff.. isn't that quite the improvement?

***07mugencivic*** · 08-13-2007, 11:14 PM

need to wash your car....nice DYI

***Phalanx*** · 08-13-2007, 11:19 PM

Quote:

Originally Posted by dentrecords

good stuff.. isn't that quite the improvement?

Indeed! ... Now i just need my Intake to show up and to install my downpipe and ill be golden.

**dentrecords** · 08-13-2007, 11:19 PM

heh

clearly you've not been through a Canadian winter with salt on the roads.. take a look at the original date posted

oh and by the way, that's my girlfriend's.. here's mine

http://www.8thcivic.com/forums/showthread.php?t=39496

jtpinoy71 · 10-09-2007, 12:16 PM

Any performance issues when you switched to the SI Axleback? Did it affect your mileage?

03-09-2007, 05:11 PM	#2 (permalink)
*Mikey6p* M U K E Y Join Date: May 2006 Location: Santa Ana, CA Age: 21 Posts: 10,012 Mukey iTrader: 10 / 100%	You gotta check the tension on the springs that go with the muffler bolts. If the springs are loose when the bolts are bolted all the way in, you have to take it apart and stretch the springs or add a big washer. If you don't, you get some ghetto fabulous spring rattling. __________________

03-15-2007, 06:01 PM	#4 (permalink)
*Janizary* Minister of Discord Join Date: Nov 2005 Location: Sith Ferret dojo Posts: 6,529 Gas thread Nazi iTrader: 0 / 0%	You must spread some Reputation around before giving it to dentrecords again. __________________ • Official BMW 1-Series Thread • DX/LX/EX Gas Mileage Thread • Civic Si Gas Mileage Thread • Civic Hybrid Gas Mileage Thread

08-10-2007, 03:59 PM	#12 (permalink)
*Mikey6p* M U K E Y Join Date: May 2006 Location: Santa Ana, CA Age: 21 Posts: 10,012 Mukey iTrader: 10 / 100%	You can do without it. I have the LX gasket in mine....it seems to be sealed up fine. __________________

03-15-2007, 05:58 PM	#3 (permalink)
truflip Senior Member Join Date: Dec 2006 Location: Ottawa, ON Age: 22 Posts: 7,301 iTrader: 11 / 100%	nice DIY dentrecords? is your Si exhaust gone? sold it to someone?

03-16-2007, 05:51 PM	#6 (permalink)
truflip Senior Member Join Date: Dec 2006 Location: Ottawa, ON Age: 22 Posts: 7,301 iTrader: 11 / 100%	.. i wanna buy local =(

03-20-2007, 01:30 AM	#9 (permalink)
remarqable23 Senior Member Join Date: Aug 2006 Location: Long Beach, CA Posts: 407 iTrader: 1 / 100%	Really want to do this mod but where am I going to find a Si axleback?

08-10-2007, 02:41 PM	#11 (permalink)
*Phalanx* 1337 h4xZ0r Join Date: Aug 2007 Location: Danvers, MA Age: 24 Posts: 10,156 MASShole iTrader: 29 / 100%	I hate to bump this old of a thread, but I have one question. I have a OEM Si AxleBack being shipped to me, but it does not have the SI Gasket. Is the gasket something I can go buy at a local hardware store? or is it really custom fit to the Si? I'm going to be doing this as soon as my AxleBack arrives, so I just want to be prepared. Thanks!

08-10-2007, 09:07 PM	#14 (permalink)
*Phalanx* 1337 h4xZ0r Join Date: Aug 2007 Location: Danvers, MA Age: 24 Posts: 10,156 MASShole iTrader: 29 / 100%	Ahh nice. Yea, ill check the local dealer tomorrow then. Thanks guys!

08-13-2007, 11:07 PM	#15 (permalink)
*Phalanx* 1337 h4xZ0r Join Date: Aug 2007 Location: Danvers, MA Age: 24 Posts: 10,156 MASShole iTrader: 29 / 100%	Went ahead and used the stock gasket, it fits fine. heres the 'after'

08-13-2007, 11:14 PM	#16 (permalink)
dentrecords ™ Join Date: Apr 2006 Location: Ottawa, Ontario Age: 26 Posts: 105,374 Mike iTrader: 34 / 100%	good stuff.. isn't that quite the improvement?

08-13-2007, 11:14 PM	#17 (permalink)
*07mugencivic* Whos The Whore NOW Join Date: Feb 2007 Location: Southern CA Age: 24 Posts: 70,657 Tony iTrader: 4 / 100%	need to wash your car....nice DYI

08-13-2007, 11:19 PM	#19 (permalink)
dentrecords ™ Join Date: Apr 2006 Location: Ottawa, Ontario Age: 26 Posts: 105,374 Mike iTrader: 34 / 100%	heh clearly you've not been through a Canadian winter with salt on the roads.. take a look at the original date posted oh and by the way, that's my girlfriend's.. here's mine http://www.8thcivic.com/forums/showthread.php?t=39496

10-09-2007, 12:16 PM	#20 (permalink)
jtpinoy71 Junior Member Join Date: Sep 2007 Posts: 1 iTrader: 0 / 0%	Any performance issues when you switched to the SI Axleback? Did it affect your mileage?