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#2730307 - 07/04/13 05:38 PM Rear sway bar questions.
chiwizards Offline

Registered: 01/13/13
Posts: 55
Loc: Upper Chichester, Pennsylvania
Right now I have the 17mm bar from a p71, I recently checked at a ford dealership asking about the 21mm bar and the price came up as close to $1,200. I could search the local junkyard for a 21mm bar but I saw that addco makes an even larger bar for around 200 bucks. Anyone use this addco bar or should I try finding a 21mm bar?
2001 Mercury Grand Marquis- best na et [email protected] best nitrous [email protected]
Mods-cone filter, police computer, aluminum driveshaft, 3.27 limited slip, fms shorty headers, offroad X pipe, stock 96 mustang mufflers to marauder tailpipes, p71 front bar, HPP 21 mm rear bar, hpp front springs, p71 rear springs, police spec shocks all around, Steeda underdrive pulleys, steeda timing adjuster set at 14 degrees advance. Professional products plenum, 70mm throttle body, 100 shot wet kit.
2009 Honda Fit- [email protected]

#2730310 - 07/04/13 05:55 PM Re: Rear sway bar questions. [Re: chiwizards]
Ivory Offline

Registered: 03/20/12
Posts: 424
Loc: Michigan
Addco is the best for these cars and definitely worth it. If you got the 200 then I say choose that over anything else.

2002 Town Car Cartier - 125 Dry shot NOS, Stage 2 Crower Cams, Precision Improved 2500 Stall, MM box, Steeda underdrive pullies, 4.10s with LSD, SW Headers, 2.5 inch cat-back piping with x-pipe and SLP Loudmouths dumped, 75mm Accufab throttle body, C&L plenum, 93 octane dyno tune by Lidio, Addco sway bars, Heinous billet control arms, custom aluminum driveshaft - 360RWHP & 415RWTQ

#2730311 - 07/04/13 06:19 PM Re: Rear sway bar questions. [Re: chiwizards]
Accumulator Offline

Registered: 05/13/07
Posts: 756
Originally Posted By: chiwizards
Right now I have the 17mm bar from a p71, I recently checked at a ford dealership asking about the 21mm bar and the price came up as close to $1,200....

The 21mm bar has been out of stock/discontinued for quite a while now, but no matter what that's a crazy price, utterly ridiculous. I can't remember exactly, but I doubt they were priced over $100 when available.

Order up that Addco from Chris at ADTR: Link to Rear Addco

#2730318 - 07/04/13 07:41 PM Re: Rear sway bar questions. [Re: chiwizards]
2007CrownVic Offline
Over the Hill

Registered: 11/19/11
Posts: 3100
Loc: Canada
That's a new high for the 21mm bar. I got mine about a year ago and it was under $45! About a week after I got it someone here said they were having problems ordering and shortly after that it was said the price was $400-$500 for it.

#2730326 - 07/04/13 08:24 PM Re: Rear sway bar questions. [Re: chiwizards]
BlackVic_P71 Offline
Grand Poobah

Registered: 08/28/09
Posts: 14595
Loc: LI, NY
I just looked it up, $1080(sale price $820) for the 21mm.
It also says that the 21mm is for the Sport package but mine was 17mm

But I put this one on, Addco FTW!
Originally Posted By Jeremy Clarkson
The future is very fast and extremely quiet...but a bit burny.

1989 Ford Crown Victoria Country Squire - 347
2005 Crown Victoria LX Sport with Stainless Works full exhaust, Addco swaybars, Heinous control arms, Powerslot rotors, Hawk HPS pads
Accufab plenum for a DBW Panther
Blue LED buttons/switches how to

#2730349 - 07/04/13 10:04 PM Re: Rear sway bar questions. [Re: chiwizards]
ghostmerc01 Offline


Registered: 12/01/03
Posts: 908
Loc: Colorado
I need some Addco's for mine. I should have remembered to remove the rear one from my 03.
Don't worry about anything. Pray about everything
2009 GMQ 90K
2004 LTC. 141K Sold
2004 CV P73 75K Sold
2003 GMQ 135K Sold.
2001 GMQ 99K Totaled by Deer.

#2730383 - 07/04/13 11:24 PM Re: Rear sway bar questions. [Re: chiwizards]
BigMerc96 Offline

I know nothing
Posting Addict

Registered: 06/05/10
Posts: 19868
Loc: I can see Detroit from here!
Wow, $1200. To think, I paid $50 shipped brand new from ford a couple of years ago. Maybe I should start hoarding them and selling them to uninformed panther owners for $200?? laugh

(I wouldn't really do that)

2006 Audi A6 ~132k miles, stock.
1998 Mercury Grand Marquis LS HPP ~100k miles, slowly acquiring modifications.
1997 Town Car Cartier ~145k miles, Ported Plenum, Gutted Airbox, Contour E-fan Retrofit, Dual exhaust with Magnaflows, cats deleted, MSD Ignition, KYB Gas-A-Justs, P71 front bar, air ride reinstated, Projector retrofit, Caddy 4-note horn retrofit, Wood rim steering wheel retrofit, holistic weight reduction as the parts fall off..
1996 Mercury Grand Marquis GS 117,485mi. R.I.P. 7/14/12 frown

#2730420 - 07/05/13 03:43 AM Re: Rear sway bar questions. [Re: BlackVic_P71]
04RauderDTR Offline


Registered: 09/23/07
Posts: 5423
Loc: PA
Originally Posted By: BlackVic_P71
I just looked it up, $1080(sale price $820) for the 21mm.
It also says that the 21mm is for the Sport package but mine was 17mm

Sports were advertised as having the HPP pkg, but it was a flat out lie. The sports all have 17mm rear sway bars, and base rate springs and airbags.

Ryan #2
2004 Mercury Mcgruber Eaton M112, 3.4 Billetflow upper, Accufab SBTB + Plenum, Tremec T-56 Magnum, 4.10's, Stainless Works LT's, 2.5" Exhaust W/ Borla Stingers, FX-R projectors, Addco F/R swaybars
2003 Mercury Marauder Stainless Works LT's, Stainless Works catback, Mo's tune, JLT
1996 Ford Bronco 4" lift, 35" BFG A/T's, MH1 projectors
2000 BMW M5 Evolve CAI + AlphaN Tune, Dinan strut bar + rear swaybar, Stoptech ST40BBK, UUC Shifter
2016 Ford Mustang GT Performance Pack

#2730455 - 07/05/13 09:31 AM Re: Rear sway bar questions. [Re: chiwizards]
CNGInterceptor Offline

4V Fairmont
Grand Poobah

Registered: 03/18/07
Posts: 12303
Loc: Rhode Island
That's a ridiculous price for a sway bar.

I'd definitely go the Addco route!
Pantherless since September 2019
1972 Ford Galaxie 500 | soon to be 7.0L
1978 Ford Fairmont | soon to be 5.0L (Coyote)
1988 Ford Econoline E-350 | Quigley 4x4 | 7.5L
2017 Ford Fusion SE | 2.5L

#2730640 - 07/05/13 08:11 PM Re: Rear sway bar questions. [Re: chiwizards]
2006grandmrq Offline

Registered: 04/17/13
Posts: 605
Loc: daytona beach florida
ADDCOS! BOOM! FTW! lol.. grin slug
2006 Grand Marquis LS , 3.55 , FRPP trac loc , Reinhart Tune, KYBs , Addco's frt & rear , Powerstop rotors evolution pads frt & rr , TSW Jarama 18x8 front and rear +40 frt +20 rear , FALKEN FK452s 245-45-18 frt & rear. Modified stock airbox with K&N filter. Magnaflow muffler single in dual out.


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