Hello, Can someone help me with 'some' questions regarding exhaust systems. I'd like to upgrade the exhaust on my EL XR6 that would give not only more power but a really nice sounding note.
I read somewhere recently a firm in Perth claims they can boost output by 25KW with their extractors and exhaust system. Is this wierd sounding or pretty normal? I have no idea about exhausts. What performance gains would I get from new extractors/exhaust. What about just a 2 1/2 inch exhaust and no extractors? Would that sound crap?
What setups do other people have? Any suggestions? I don't want a crap empty sound coming from my car..
I would be very skeptical of any company that claims that. I mean, maybe if you pulled a 2 inch exhaust off a worked huge power Supra or skyline, or other turbo, and swapped it for a real good 3.5 or 4 inch exhaust, then MAYBE. Not on a falcon but. On an EL a full system may get 15kw. 15 kilowatts is a big gain though, don't kid yourself.
On my EL, so far I have a 2.5 inch exhaust with one redback straight through muffler up front, and no rear resonator, which is what they usually come with. It sounds friggen awesome, and the note, particularly in my 5 speed is real hard-assed and big-sounding! On an XR6 though, I am not sure whether I would be so keen because the 3.45 diff ratio might mean it will drone more on the highway, having said that the falcons use bugger all throttle to cruise on anyway, so it shouldn't be a huge issue. Look at it this way, if you get the system without the resonator at the rear, and it is too noisy, then you can always spend a little more and get a resonator fitted ($60 ish).
The pacemakers do make a big difference though. I had them on my ED with 2.5 inch system and 3 inch cat, and crow stage 2 cam, and it went real hard to the redline.
pacemaker extrators for the I6 are on ebay for $260-280, I got mine off the same guy and he was very good, delivered them himself to my work (couple of suburbs away).
Is the redback any good? I got quoted $280 for a Redback 2.5" exhaust 4 my EF XR6.
Is this a good price or should I look elswhere ?
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