Fordmods Logo

EL XR8 Exhaust 

 

Page 1 of 1 [ 11 posts ] 

 
 Post subject: EL XR8 Exhaust
Posted: Thu Aug 24, 2006 3:49 pm 
Oompa Loompa
Offline

Age: 64

Posts: 41

Joined: 9th Apr 2006

Ride: Holden

Location: Adelaide
SA, Australia

Hi ,
Has anyone had a twin 2-1/2" (from the Cats) fitted ie twin mufflers, twin tailpipes , twin tips? I've talked to a couple of people and it sounds like there might be clearance problems over the diff, and round the H/D towbar?
An exhaust specialist (30 years in the game) would not recommend it, he reckons single 2-1/2" is the way to go. The car is standard ride height and doesn't have the full body kit. I'm looking for a good note, not too noisy in the cabin.Thanks in advance.
Regards,
Gary.
Top
 Profile  
 
 
Posted: Thu Aug 24, 2006 4:20 pm 
Smokin em up
Offline
User avatar

Age: 33

Posts: 291

Joined: 5th Nov 2004

Ride: EL GT - T2 TS50

Location: Cairns
QLD, Australia

I have twins on mine, and its low, biggest problem I have is it rubs on the body of the car (above the diff) at times. So if yours is standard ride hight I dont think you would have much of an issue providing the exhaust is fitted properley.

if you go twins make sure you get an X pipe. if you go single definetly need to be 3 inch, I would not go 2.5 single.

edit: forgot to mention I have a hayman reece tow bar too
Top
 Profile  
 
 
Posted: Thu Aug 24, 2006 9:07 pm 
Getting Side Ways
Offline

Age: 35

Posts: 516

Joined: 3rd Dec 2004

Ride: SZ Titanium & ZG Fairlane

Location: Roxby Downs
SA, Australia

Have you gone and talked to Dave at the place that I went to (exhaust techniques) that I told you about?

They have just put a full twin 2 1/4 stainless on my car and it sounds pretty awesome when you put the foot into it and yet is pretty quiet at idle and also quiet when you are cruising at 120km/hr on the highway. I got them to put on HPC coated pacemaker extractors, high flow cats, magnaflow x-pipe and magnaflow mufflers with twin 3 inch tips. I am pretty happy with it although as I said before in your other thread it does knock a bit on big bumps which I think is where it goes over the diff like what jeffb said above.

If you go and see dave there and talk to him he will probably show you what his AU XR8 ute sounds like (it is the black one on the website) it has a full twin system on it. He has a different brand of mufflers to what I have got and his seems to be a bit more high sounding then mine and also a bit louder.

 

_________________

Image
F6 Rspec #139 - Stock Car Racing

Top
 Profile  
 
 
Posted: Fri Aug 25, 2006 3:16 pm 
Oompa Loompa
Offline

Age: 64

Posts: 41

Joined: 9th Apr 2006

Ride: Holden

Location: Adelaide
SA, Australia

Hi Phatal,
Yes, I've talked with Dave at Exhaust Techniques, and a few other specialists around town, and I'll be honest with you, I don't want my system to knock on the bodywork no matter how big the bump.
I've sort of narrowed it down to 3 systems that apparently sound great, but are not too awkward to fit. By that I mean, the pipework will clear the diff, and rear axle, clear my H/D towbar, not hit the floor pan etc.
I've learned that 2-1/2" twin is out of the question. 2-1/4" twin is a possibility but risky with potential knocks over bumps. The guys need to check under the car on a hoist before going ahead...and fair enough. A single 2-1/2" system with a straight through Lukey, Berklee or Super Cat is supposed to sound pretty good as well as fairly inexpensive against a twin. And a 2-1/2" to 3" single through a collector is also a go. I'm really only trying to gather information before I start doing the rounds with my Henry. Yourself and the other guys on list are my best source of info because you've been and done it,spent the money already, and you're not trying to sell me anything. :D
Regards,
Gary
Top
 Profile  
 
 
Posted: Fri Aug 25, 2006 7:49 pm 
Getting Side Ways
Offline

Age: 35

Posts: 516

Joined: 3rd Dec 2004

Ride: SZ Titanium & ZG Fairlane

Location: Roxby Downs
SA, Australia

That's cool man I wasn't trying to be pushy or anything, just trying to help you out. Before I got the twin system done the car had a single 3 inch from the first muffler back and it sounded quite good and it didn't knock at all. Since I have got the new twin system though it feels like it has a s**t load more torque especially in the mid range. From standard the EL2 has the 4 into 1 GT extractors and I ditched them in favour of the 4 - 2 -1 pacemakers (PH4000) so Im not sure what has actually given the most power gain, extractors or going from single to twin. As I understand it the twin is the better option as you get a smaller diameter pipe on both sides which keeps the airspeed of the gasses up. Also you actually end up with a bigger cross sectional area with the twins if I calculated it right the twins gets you approx 14.13 inches squared and the single gets approx 9.42 inches squared. So this means you can actually push a larger volume of air through the twins at a faster rate. Thats only my way of thinking anyway, I guess it works like that though.

 

_________________

Image
F6 Rspec #139 - Stock Car Racing

Top
 Profile  
 
 
Posted: Sat Aug 26, 2006 3:51 am 
Smokin em up
Offline
User avatar

Age: 34

Posts: 274

Joined: 29th Nov 2004

Gallery: 20 images

Ride: 03 Fairmont Ghia

Location: Perth
WA, Australia

I wanted a twin system on the AU very much so, but kept getting told its not possible, except on the utes.

Your cars not a ute though is it phatal? Just wondering why you can get the twin setup and garf cant.

 

_________________

2003 BA Fairmont Ghia V8 www.bseries.com.au/acey xr8 catback
Image

Top
 Profile  
 
 
Posted: Sat Aug 26, 2006 10:13 am 
Smokin em up
Offline
User avatar

Age: 33

Posts: 291

Joined: 5th Nov 2004

Ride: EL GT - T2 TS50

Location: Cairns
QLD, Australia

MilleniumFalcon wrote:
I wanted a twin system on the AU very much so, but kept getting told its not possible, except on the utes.

Your cars not a ute though is it phatal? Just wondering why you can get the twin setup and garf cant.


one of my mates has an AUIII XR8 Sedan with a twin system
Top
 Profile  
 
 
Posted: Sat Aug 26, 2006 1:12 pm 
Getting Side Ways
Offline

Age: 35

Posts: 516

Joined: 3rd Dec 2004

Ride: SZ Titanium & ZG Fairlane

Location: Roxby Downs
SA, Australia

Yeah mine is a sedan. The only reason garf doesn't want to go a twin system is because of the possibility of the exhaust knocking on the diff etc. as it is very close. When I first got mine done it was knocking on the rear sway bar on the left. I got that fixed but it still knocks a bit on large bumps. I think that this is where it goes over the diff. They have actually come from the left turned above the axles and run straight along the axles above the diff and out the back. Also I went for twin 3 inch tips which are a very tight fit in the standard cutouts so they may be knocking as well. Also garf has a Heavy Duty tow bar which would complicate things. By the way that is twin tips exiting on one side.

 

_________________

Image
F6 Rspec #139 - Stock Car Racing

Top
 Profile  
 
 
Posted: Fri Sep 01, 2006 4:26 pm 
Getting Side Ways
Offline

Age: 31

Posts: 1679

Joined: 9th Jul 2005

Gallery: 8 images

Ride: BA XR6 TURBO

Location: Newcastle
NSW, Australia

anyone thought about dump pipes split at the middle and out just infront or behind rear wheels? or would there be a problem with exhaust fumes leaking up into cabin? cause ive seen them on a hill climber commodore, piece of s**t but got the idea from there
Top
 Profile  
 
 
Posted: Fri Sep 01, 2006 5:51 pm 
Oompa Loompa
Offline

Age: 64

Posts: 41

Joined: 9th Apr 2006

Ride: Holden

Location: Adelaide
SA, Australia

No! can do in S.A.......illegal, don't know about the rest of the states. Would solve a s**t load of problems though. Exhaust must exit the rear of the vehicle I'm almost certain.
Regards,
Gary.
Top
 Profile  
 
 
Posted: Fri Sep 01, 2006 6:15 pm 
Getting Side Ways
Offline
User avatar

Age: 33

Posts: 1079

Joined: 19th May 2005

Gallery: 29 images

Ride: ELXR8 SERIES 2

Location: naracoorte
SA, Australia

garf wrote:
No! can do in S.A.......illegal, don't know about the rest of the states. Would solve a s**t load of problems though. Exhaust must exit the rear of the vehicle I'm almost certain. Regards,
Gary.


thats why ya leave the tail pipe there and you wont notice until you have a good look or your close to it while its going. im thinking bout going twin but stop it just before the diff on both sides and leave existing tail pipe there but not sure how loud it would be

 

_________________

EL XR8 SERIES 2, 5SPD, HOT CHILLI RED, 200 ODD RWKW OF V8 FUN AND GAMES

EF XR6, 5SPD, HERITAGE GREEN, AU XR6 VCT ENGINE

VL COMMODORE, 5SPD, WHITE

BA XT, AUTO, OFFSHORE BLUE

Top
 Profile  
 
Display posts from previous:
Sort by  
 Page 1 of 1  [ 11 posts ] 

Who is online

Users browsing this forum: Google [Bot] and 9 guests


You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum

 

 

It is currently Sat Dec 16, 2017 1:32 am All times are UTC + 11 hours

 

 

(c)2014 Total Web Solutions Australia - Australian Web Hosting and Domain Names