RAP1D Member Donating Members 3,739 Member For: 18y 8m 7d Gender: Male Location: Sydney NSW Posted 27/06/11 06:55 AM Share Posted 27/06/11 06:55 AM Its more so the muffler size/design that the pipe size, Ive made some silly loud 3.5inch systems and some super quiet 4inch systems, always comes down to the muffler style and positioning.The Xforce 4inch muffs are fairly large and free flowing, and most likely packed differently to the 3.5inch ones... Dont get me wrong, their not over the top loud, but definately not quiet, you can happily cruise on the freeway and not suffer drone, but you will hear the note, where as the 3.5inch system will be fairly quiet under the same conditions.Also the mild steel systems are usually deeper in note due to the thicker, heavier piping and muffler casing. Link to comment Share on other sites More sharing options...
kyle173 Donating Members 774 Member For: 16y 2m 25d Gender: Male Location: brisbane Posted 27/06/11 07:15 AM Share Posted 27/06/11 07:15 AM Can u change te tips on the x force to dual exits or does it have to stay the single exit Link to comment Share on other sites More sharing options...
RAP1D Member Donating Members 3,739 Member For: 18y 8m 7d Gender: Male Location: Sydney NSW Posted 27/06/11 07:46 AM Share Posted 27/06/11 07:46 AM Yes, there's a twin tip Y piece system that fits up, has the twin 3inch double walled tips, or a single 4inch chrome tip. Basically the same as what comes on the ute systems. Link to comment Share on other sites More sharing options...
XXXRTURBO Donating Members 1,168 Member For: 17y 5m 22d Gender: Male Location: Melbourne Posted 27/06/11 10:00 AM Share Posted 27/06/11 10:00 AM Yes, there's a twin tip Y piece system that fits up, has the twin 3inch double walled tips, or a single 4inch chrome tip. Basically the same as what comes on the ute systems.Can you get a oval twin tip muffler like some of the ones on the ba,bf's. they have them on the x force web site they say they are universal mufflers.eg http://xforce.rtrk.com.au/?scid=40953&kw=4476915&pub_cr_id=8673350473IMO I think the y peice looks so dose the single Link to comment Share on other sites More sharing options...
neotim Member 276 Member For: 13y 11m 15d Gender: Male Location: Gold Coast Posted 19/06/12 12:27 PM Share Posted 19/06/12 12:27 PM Don't mean to hack this old thread, but I'm looking at upgrading my exhaust.. At the moment I have a 5" cat and removed centre muffler replaced with straight pipes on my fg manual ute. I'm looking for a really aggressive note under boost. I want it to be pretty loud and sound mental when I give it some. I've heard a mates bf f6 ute with 4" dump, 4" cat into twin 2.5" and sounds really good. I need some opinions on what system to go in my ute. Would the 4inch turbo back system be the way to go or is the twin 2.5 system just as loud in an fg? Not looking to push any more than 350rwkw.. Link to comment Share on other sites More sharing options...
BigAl's04 Special needs member. Bronze Donating Members 690 Member For: 14y 4m 20d Gender: Male Location: gold coast Posted 19/06/12 12:38 PM Share Posted 19/06/12 12:38 PM If you want LOUD go the 4" FTW. Link to comment Share on other sites More sharing options...
neotim Member 276 Member For: 13y 11m 15d Gender: Male Location: Gold Coast Posted 19/06/12 12:42 PM Share Posted 19/06/12 12:42 PM Would it be too loud if I kept my 5" cat and welded it to the 4" system? Link to comment Share on other sites More sharing options...
BigAl's04 Special needs member. Bronze Donating Members 690 Member For: 14y 4m 20d Gender: Male Location: gold coast Posted 19/06/12 12:47 PM Share Posted 19/06/12 12:47 PM Is there such thing as too loud? Nothing a bigger muffler wont fix. Link to comment Share on other sites More sharing options...
neotim Member 276 Member For: 13y 11m 15d Gender: Male Location: Gold Coast Posted 19/06/12 12:57 PM Share Posted 19/06/12 12:57 PM True.. Just sometimes think 4" is overkill for the power I want Link to comment Share on other sites More sharing options...
BigAl's04 Special needs member. Bronze Donating Members 690 Member For: 14y 4m 20d Gender: Male Location: gold coast Posted 19/06/12 01:06 PM Share Posted 19/06/12 01:06 PM You WILL want more later. I always thought I would be happy around 360kw. now I have 400 and allready thinking about an e85 setup and more boost for 450. The chase for HP is addictive and endless. At least if you go the 4" you wont have to go bigger later. 2 Link to comment Share on other sites More sharing options...
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