Twin mobile
X-TRAIL ENTHUSIAST
Date Registered: 12-2013
Location: Mt Isa, QLD
TOTAL POSTS: 125
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Re: T31 Exhaust upgrade
Thanks nananut,
I will make some calls before I head back to Brisbane in the future.
Not sure of how they will effect the performance of the Manual Petrol Model.
I remember being in the room with the business owner I got my mods done when my father-in-law asked whether a set of extractors would improve the performance of the vehicle and he didn't seem to think so. Which was nice of him I thought to not convince me to purchase something I wouldn't benefit from:-)
Regards,
Ben
--- Benjamin X-3439
Mt Isa, QLD
05/10 T31 Exy, 2.5L Manual ST
K&N + A/C, 63mm ECB, 20" LED, 220 HIDs, TJM Bashplate, 2" Susp Kit, H/D Towbar, Whispbars, 235/70R16 697s, Hi-Tech Exhaust
To do: Brakes, Strut Bar, Side Steps, 6" Head Unit
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20/Feb/2014, 11:55 pm
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jalalski
Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29100
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Re:
Well he's right in saying that a set of extractors (by themselves) won't achieve much, not unless you change the entire exhaust system at the same time, replace the cat. converter with a high flow one and then add more performance mods, like a cold air intake and a piggy back ECU.....so yeah, your father in law's question was missing many bits and pieces
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21/Feb/2014, 5:34 am
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jalalski
Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29100
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Re: T31 Exhaust upgrade
quote: Twin mobile wrote:
It is a shame that the tests weren't don't just to assure the results were the same. I'm under the impression that the Petrol models (in CVT and the Manual) have the same engine and therefore should mirror the results? I'm not mechanically minded but would the need for a clutch have an impact on the results?
Yes, they are identical engines, so if anything, the manual petrol model should show marginally better gains due to less loss in the drive-train but in saying that, I do believe the difference will be quite negligible.
quote: I would have thought that the need to pay for only the cost of materials would be a good incentive. If I was in Cooee of Sydney I'd consider it.
Yeah, it seems the majority are driving CVT powered petrol models LOL
quote: On another note, I was reading into the modification of the chips. So just to be clear, by installing the cat system as described on this forum (can't remember if it was this topic specifically or another describing the same issue) you wouldn't need to modify any other component of the vehicle after the installation (of the recommended cat system on this site for the CVT Petrol model) was complete?
That's correct, the factory ECU is quite capable of handling the modifications you throw at it and this includes the cat. back system and even a full exhaust system upgrade with an extractors, it is only when you start adding bits like a cold air intake and such that you should be looking at fitting a piggy back ECU.
quote: Would the improvements to the (Manual) Petrol model be significant enough to warrant the estimated $1,000 upgrade (not including freight and labour)?
In my view and based on the results I have seen with all of the Hi-Tech system, they worth every cent because you are not only paying for the gain, you are paying for top quality which is backed by 10 years warranty which no other business out there offers....not even Nissan!
quote: Lastly, I got all of my last mods completed by a company (that specialised specifically in exhaust, suspension etc upgrades) that would probably be able to replicate the cat system using their own designs and would then be able to fit it too. Would it not be wise to allow this company to create and fit an upgraded exhaust system to my XTrail as the cat system you have worked with Lambros has been proven.
Firstly, I do no support and will not support any exhaust shop copying the Hi-Tech design in any way, as the money and effort spent by Hi-Tech in designing these exhaust system for the X-Trails would far exceed any goodwill gestures that any business out there can offer and the price they charge based on the materials they use and the quality of workmanship is peanuts compared to the quality of other exhaust system which are price almost the same. In saying this, Hi-Tech can't police everyone of course and what you will end-up will be just a copy of the original design but the quality of the components won't be the same. It is your call if you want to save money and potentially sacrifice quality.
quote: And second lastly (bad English), I've noticed that other forum members (like nananut and another on the previous page to this thread) haven't mentioned using the original design. So what I'm trying to say is that I might be able to get my original modification place to upgrade and exhaust system that will deliver be performance which is designed and fitted by them so that I may save some costs?
My answer to this is the same as your previous bullet point. Cost is not everything, quality is!
I won't bolt on any system on any car unless I know the results and impacts it gives, so there is no point in bolting on something shiny if you can't back it up with results and offer good after-sales warranty on it too.
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21/Feb/2014, 5:52 am
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