timmyb9 New Member 12 Member For: 9y 6m 20d Posted 31/03/15 06:10 AM Share Posted 31/03/15 06:10 AM Hi everyone,Got a completely stock F6 and was thinking of getting a X-force Varex Muffler, just wandering what peoples thoughts are regarding just doing the muffler and running the original FPV exhaust system? Will it still sound good or do I need to do the complete system? And would there be any slight performance increases with stock system running the Varex muffler?Cheers in advance,Tim Link to comment Share on other sites More sharing options...
Cjafpv Member 110 Member For: 9y 8m 20d Posted 31/03/15 06:20 AM Share Posted 31/03/15 06:20 AM My opinion varex muffler won't give you any performance increase and this is onlyAn opinion but I think it would be a waste of time the stock system is made quiet for a reason better of getting urself a catback if your after some extra sound . Or if you want performance without the sound upgrade your dump pipe to a 4inch with highflow cat and get a tune oh and if you want performance and sound go a full turbo back system with tune. Sometimes a full turbo back system can cause issues with boost control and you may also need to port your wastegate and get an actuator and larger flapper fitted. Heaps of info out there on this topic have fun reading but don't be afraid to ask if unsure Link to comment Share on other sites More sharing options...
Cjafpv Member 110 Member For: 9y 8m 20d Posted 31/03/15 06:21 AM Share Posted 31/03/15 06:21 AM But basically long story short if you want some sound but don't want to tune get your self a catback system Link to comment Share on other sites More sharing options...
discostig Manual mode ________________________ All day, erryday Donating Members 13,798 Member For: 16y 4m 22d Gender: Male Location: Probably above atmospheric pressure Posted 31/03/15 06:50 AM Share Posted 31/03/15 06:50 AM Would a varex affect the tune, seeing as it's likely to change the restriction of the exhaust? Link to comment Share on other sites More sharing options...
(Locky) Member 85 Member For: 10y 3m 13d Gender: Male Posted 31/03/15 11:54 PM Share Posted 31/03/15 11:54 PM I had one when they very first came out on my s14.that had a full 3in system (standard upgrade size for them) it flowed fine when openIt is only designed to cruise around though when closed as you are only really giving it a 1in tip when closed.Did a run on the dyno with it closed to see how it went it choked up bad around 5K and he stopped going any higher. So really only designed for when you are putting around town, on the highway or see a RBT. But cops have caught on to them now was they have been around for 6 years or so Link to comment Share on other sites More sharing options...
JVK Silver Donating Members 751 Member For: 18y 3m 29d Gender: Male Location: North West Hot Hell,VIC Posted 01/04/15 06:02 AM Share Posted 01/04/15 06:02 AM Would a varex affect the tune, seeing as it's likely to change the restriction of the exhaust?You can put on a catback without having to alter the tune so a varex setup would be in the same boat. Hiflow cat or bigger dump pipe would be another story. 1 Link to comment Share on other sites More sharing options...
discostig Manual mode ________________________ All day, erryday Donating Members 13,798 Member For: 16y 4m 22d Gender: Male Location: Probably above atmospheric pressure Posted 01/04/15 09:48 AM Share Posted 01/04/15 09:48 AM Good point, cheers. Link to comment Share on other sites More sharing options...
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