IS - 2nd Gen (2006-2013) Discussion about the 2006+ model IS models

Y Pipe leaking

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Old 09-23-15, 08:10 AM
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sandycar1
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Question Y Pipe leaking

I have a question before I get rid of my 2006 IS250 with 100,000 miles on it. I was told by lexus that my Y Pipe is leaking and to replace all bolts and gaskets at a cost of $2,300.00

Is this a common issue? Does everyone fix this issue? Live with it?

Any insight is appreciated.
Old 09-23-15, 08:49 AM
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DryEye
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Not to sure if it is common but for the price of $2300.00, I would rather just get an F-sport exhaust and install it yourself. That route would still be way cheaper than the repair cost they quoted you for. Even a brand new F-sport exhaust will run you $1300-$1500, a used one will probably be around $800. Just my 2 cents.
Old 09-23-15, 08:54 AM
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flowrider
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Just bring it to an exhaust shop (a good exhaust shop) and I'm sure they can replace the rusted out pipe far cheaper a dealer.

Lou
Old 09-23-15, 10:09 AM
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GiantsFan
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+1 on F-Sport exhaust. You'll get nice shiny piping and tips, and it'll sound better too!
Old 09-23-15, 01:42 PM
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Bichon
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The F-sport exhaust won't help. It's a cat back, but the Y-pipe is ahead of the cats. An aftermarket midpipe would, but they're a bit loud for my taste.

To answer the original posters question; yes, it's a fairly common problem. No, it would not be a good idea to live with the problem, since exhaust gases could enter the passenger compartment. If you have an decent exhaust shop with a welder, they should be able to cut out and replace the corroded sections of pipe. Some people have had exhaust shops just weld up the holes, but I have a suspicion that repair won't last long. A Lexus dealer is going to replace the entire center section of the exhaust, including the two catalytic converters, which is why their fix is so expensive.
Old 09-25-15, 07:24 AM
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cleethree
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This is common in areas that see snow. I had a leak in my mid pipe too and went with the Invidia mid pipe because it's SS and gained 1 HP. It seems like the car has more torque, but it's probably in my head. It's louder only when on the throttle, but not really that loud IMO. I know others have felt different, it's up to the person.

The OEM pipe is expensive from Toyota, you can find them on eBay used.
http://www.ebay.com/itm/LEXUS-06-10-IS350-IS250-RWD-EXHAUST-MID-PIPE-MUFFLER-CATBACK-53102-62K-OEM-/111576091681?hash=item19fa740c21&vxp=mtr
Old 09-25-15, 08:32 AM
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DryEye
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Oh you were talking the y pipe that has the catalytic converters on it, sorry my mistake. In my opinion, I would just purchase a Joe Z full exhaust if you still can find it for sale for the 2gen IS. If not I would go to an exhaust shop and get a second opinion and see what they charge.

Here is a picture of it if you want the part #'s and research the prices for your self.

Old 09-26-15, 04:17 AM
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See5
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Or weld the leak :P
Old 09-26-15, 11:12 PM
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smokyis350
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Why can't you just get new gaskets for ~$25? I had the same problem on my F-sport axle back with Invidia midpipe and I got new gasket and no more leaks
Old 09-27-15, 07:08 AM
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Bichon
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Originally Posted by smokyis350
Why can't you just get new gaskets for ~$25? I had the same problem on my F-sport axle back with Invidia midpipe and I got new gasket and no more leaks
You had an aftermarket stainless steel midpipe that was leaking where it connects to the headers and/or F-sport exhaust. He has a nine year old (not stainless steel) midpipe that has rusted out to the point that it has holes in it. Completely different problem.
Old 09-27-15, 09:48 AM
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flowrider
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^^^^The Lexus IS standard exhaust system is indeed stainless steel. From Lexus specifications sheet:

Body Structure and Paint
• Anti-chip paint on lower body panels
• Exterior colors (9): Starfire Pearl, Obsidian, Deep Sea Mica, Fire Agate Pearl, Tungsten Pearl,Nebula Gray Pearl, Matador Red Mica, Cerulean Blue Metallic and for F Sport package models, Ultrasonic Blue Mica
• Flush surface body panel and glass
• Galvanized steel used in all areas of the body except the passenger compartment and the roof"
• Narrow and precise body panel gaps
• One-piece color-keyed Super Olefin Polymer front and rear bumpers
• Stainless steel exhaust system
• PVC sealer and undercoating
• Use of sound dampening asphalt sheets in roof and floor pan
Lou
Old 09-27-15, 10:00 AM
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Sffd103
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All good answers (minus the F Sport exhaust) guys but the op doesn't need to fix it. They got rid of the car already. Lol
Old 09-27-15, 01:41 PM
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Bichon
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Originally Posted by flowrider
^^^^The Lexus IS standard exhaust system is indeed stainless steel. From Lexus specifications sheet:
Should we believe some spec sheet you found, or our eyes?

(photo courtesy of user See5)
Old 09-27-15, 03:48 PM
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flowrider
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^^^^it's not a very high grade of stainless, but yes I'm sure it's stainless steel. Do you really think Lexus would make such a claim if it were not true in today's environment

You mat want to read this:

http://www.bssa.org.uk/faq.php?id=9

Note also that the OP lives in Illinois - Where they use salt in the winter

Lou

Last edited by flowrider; 09-27-15 at 03:51 PM.
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