Photos of dual exhaust system- Finally
06-30-10, 05:04 PM
#16
Super Moderator
I do like the setup and use of space.
On the rust (I've got it too on my RX300), Use some high-temp paint on the exhaust, that's what I do on mine every so often.
On the rust (I've got it too on my RX300), Use some high-temp paint on the exhaust, that's what I do on mine every so often.
06-30-10, 07:26 PM
#17
Lexus Test Driver
09-05-12, 01:22 PM
#24
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https://www.clublexus.com/forums/rx-...eneration-212/
09-05-12, 01:34 PM
#25
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Salt does truly suck. In regards to sound its a touch louder- but not loud like a mustang or coffee can on a Honda Civic with stickers.
In regards to performance, much improved however never had it put on a dyno. That being said with the stock set-up I was getting 475 km on a tank of gas, now I'm getting between 580 to 600 km per tank.
I love the sound and the much improved performance
In regards to performance, much improved however never had it put on a dyno. That being said with the stock set-up I was getting 475 km on a tank of gas, now I'm getting between 580 to 600 km per tank.
I love the sound and the much improved performance
25 % milage improvement ? really ? more than once , real data ? you are suggesting that lesus could improve their gas milage 25 % with an exhaust change and they don't do it...
really ?
09-05-12, 05:15 PM
#26
Lead Lap
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Yes, my mileage did improve drastically and it has been that way for well over three years. Over the weekend travelled 1200 km's on 2 tanks of gas- all highway
09-06-12, 01:52 AM
#27
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so you are saying that you picked up 5 or 6 more miles per gallon with this change ? ( based on published numbers )
in a world of fuel economy engineering at the manufacturers, they would and do often spend MILLIONS to work out ways to up their numbers... why do you figure they would ignore a 25 % gain for the sake of a muffler and tail pipe ?
Last edited by stevesxm; 09-06-12 at 01:59 AM.
09-06-12, 02:20 PM
#28
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Typically I'm averaging 9-11l/100km. As I have stated in previous posts the set-up is louder than OEM perhaps Lexus choose quiet over improved MPG, based upon their sales demographic
09-07-12, 04:06 AM
#29
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well... i think that explains it.... by virtue of your original numbers you were only getting about 15 mpg. by virtue of your new numbers you are getting 20 at worst and 26 at best... essentially exactly the factory numbers...
so... that would suggest that your original exhaust was badly restricted causing the the really bad original numbers ( about what a 350 hp V-8 gets ) and your new exhaust either returned the total flow back close to std or mitigated whatever else was wrong to start with...
no mystical 25 % increase at all...
on modern efi cars, where toyota would kill their mothers to get an extra 1 mpg, a modification over stock of any sort that gives any meaningful improvement is like the proverbial unicorn...
( in my opinion after 30 years in the car business)
so... that would suggest that your original exhaust was badly restricted causing the the really bad original numbers ( about what a 350 hp V-8 gets ) and your new exhaust either returned the total flow back close to std or mitigated whatever else was wrong to start with...
no mystical 25 % increase at all...
on modern efi cars, where toyota would kill their mothers to get an extra 1 mpg, a modification over stock of any sort that gives any meaningful improvement is like the proverbial unicorn...
( in my opinion after 30 years in the car business)
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