Cats and Hotdogs :)

**nvs_sle** · 11-09-2006, 11:13 PM

Hey guys, i got a fairly stock 3.0 with CAI extractors n a 2.5" exhaust with the stock mufflers, im thinking of changing the rear with a hotdog or there abouts, and i also have a new hiflo cat at home, if i were to put the cat and hotdog on at the same time, would i have issues with lost back pressure? or should i be right.
cause im also getting abou a 68 or 70mm throttle body soon which will mean more flow.
cheers

**bangers** · 12-09-2006, 08:40 AM

The rear 'muffler' is not a muffler. it's a resonator. you don't need to have it by law. i have mine though just to stop the 'drone' of the exhaust while doing highway runs. it also helps to keep a bit of back pressure. i'd change the muffler to a straight through muffler cos the stock ones stagger in the flow, ie the in and out of the muffler is not inline. Is the exhaust mandrel bent?

**nvs_sle** · 12-09-2006, 06:01 PM

yeah all the pipes are mandrel bent, im considering either taking off the rear resonator completely or having a hotdog there to give it a bit of sound and reduce some drone aswell... does anyone know roughly how much a hotdog resonator is? aswell as another straight through muffler to replace the centre one?

**warney** · 12-09-2006, 09:09 PM

i have a hotdog sitting under my house its as good as brand new $50 and its urs its 2.5inch aswell

**nvs_sle** · 12-09-2006, 10:09 PM

really, where bouts u live warney? n what brand is it? i am interested cause they give a nice burble to any engine really! and thats what i love!
im in melb man, eastern burbs

**Bax** · 13-09-2006, 12:20 PM

I wouldn't worry about putting the hiflow cat on.. I hate the things.

**nvs_sle** · 13-09-2006, 06:32 PM

yeah im not gunna put it on, just change the rear resonator and have a nice 2.5" dump tip, i reckon they look top shelf!

**ryan_VX** · 13-09-2006, 08:43 PM

NVU have rear monaro VZ hotdog's on special for $22 what sort of sound on there own do do the hotdogs give, does it sound Ricey?

**bangers** · 13-09-2006, 08:45 PM

just don't put a cannon on. i'll have to b#tch slap you if you do

**nvs_sle** · 13-09-2006, 09:06 PM

hahaha i would b**** slap myslef i ever went for a cannon!! ahaha, nah they dont sound ricey, they hava a nice deep burble, well with a v8 anyway but its an all round good sound.....NVU, dont mean to seem a bit vague but what is it :P how much do the lukey or redback hotdogs retail for? anyone know

**ryan_VX** · 13-09-2006, 09:30 PM

would a redback system and a hotdog sound any good any one have a sound clip?

Thanks

**bangers** · 13-09-2006, 09:44 PM

well i have pacemaker headers, hi-flow cat, 2.5" mandrel bent lukey exhaust with hi-flow glass packed muffler and a resonator. it's not loud until you put your foot down, but when putting around it has a nice note. when you get up over 3000rpm it really starts to growl. although it took 3 months to wear in and get the sound. unfortunately i don't have a sound file. when i gave a guy a listen at work he was real impressed and others walked out of the fitting bays to see what was making the noise. it has a nice almost soft burble at idle too.

**nvs_sle** · 13-09-2006, 09:54 PM

how much would it cost me to replace the muffler and rear resonator with something like yours bangers?? if you dont mind me asking

**ryan_VX** · 13-09-2006, 09:55 PM

So would a redback system and a http://www.nvu.com.au/products_singl...ge=1&section=2 have a nice loud sound?

**bangers** · 13-09-2006, 10:20 PM

the whole exhaust from the cat back is two piece. the muffler is welded in. i'm fairly certain you can buy the muffler separate. i can get the part number from work but won't be til friday as its my day off tomorrow. the system from the cat back cost me $300 but that was almost cost price.

**nvs_sle** · 13-09-2006, 10:22 PM

ah cheers, i will probably just replace the rear resonator and tip unil i do any further engine mods that will require a higher more free flowing system

**VL Berlina 5speed** · 13-09-2006, 10:50 PM

as ive posted in another section, hear is my exhaust note,
just close ur eyes and listen

http://www.youtube.com/watch?v=XIJbXUWsXw0
extractor, high flow cat, and 2.25 straght thought muffler and no resinator (rear muffler)

**bangers** · 13-09-2006, 11:18 PM

that sounds good. what brand muffler is it? and extractors?

**VL Berlina 5speed** · 13-09-2006, 11:23 PM

Extractors - not sure on brand, cant find any marks on them. got them off my old vl
Cat Back - no brand, was $200 fitted at profix, i know it will eventully crap it self but it will hold till i work fulltime
Cat - off my old vl, was told its highflow. has AC Australia stamped on it if i rember right

and at that time i was pissed off with my car as the CAS had craped it self and was running ruff as guts, sounded like it had a chunky cam in it

**bangers** · 13-09-2006, 11:31 PM

well it sounds good. i'm hoping to hear a vl with stainless steel exhaust cos i'm thinking of getting one when my system eventully dies. which won't be for a while as it's relatively new.

**warney** · 15-09-2006, 10:37 PM

redback hotdog $50 p p ost if ya interested

still has sticker on it form memory , not in great condition but none the less still on it, if ya want it will send it back home with a mate of mine that lives in boronia can got it from him if ya intereted

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