LS - 1st and 2nd Gen (1990-2000) Discussion topics related to the 1990 - 2000 Lexus LS400

Removing rear exhaust boxes

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Old 03-14-09, 12:18 PM
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lexmas
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Default Removing rear exhaust boxes

Has any one tried removing the rear exhaust boxes and fitted straight through pipes instead on a 1997 LS400.
Old 03-14-09, 01:25 PM
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PureDrifter
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please search the forums for "muffler delete".

it's a common modification.

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Old 03-14-09, 06:03 PM
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richonenz
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Wow PD super control !!
I'm impressed !!
As PD said common mod, on mine I have gone up to a 3" pipe from the last join and then 4" dumps on the end with almost no increase in noise from inside the cabin.
Old 03-15-09, 12:44 PM
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lexmas
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Thanks chaps i'll go a browsing James
Old 03-16-09, 11:33 AM
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lexmas
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I've scoured the site and found nothing on removing rear silencers. Any body know a place around here i can get a pipe made up ?
Old 03-20-09, 10:28 AM
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s_ribs
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Another option.... take a peek under your car. If you took 2 minutes to look you'll see that there is one clamp and one rubber hanger per muffler and they are off.
Old 03-20-09, 10:29 AM
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LiCelsior
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and 4 bolts .

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Old 03-20-09, 10:30 AM
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s_ribs
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Well, if you plan on removing the exhaust hangers there are!
Old 03-20-09, 10:50 AM
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Originally Posted by LiCelsior
and 4 bolts .
for 95+ it's just 2 bolts, one per side, 2LS has clamps not bolt+flange.
Old 03-20-09, 10:50 AM
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LiCelsior
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oh thats bull.
Old 03-20-09, 10:55 AM
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s_ribs
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I tried yankin mine off last week but I couldn't get the right size socket to fit over the 10mm nut on the clamp. Didn't want to mess up the nut, and then I realized any old nut will do if I want to put them back on! I shall give it another go today. Unfortunately the lip on the clamp makes it a big tough to get a good grip with some pliers.
Old 03-20-09, 02:46 PM
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lexmas
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Thanks for your help. Its not removing the pipes i have a problem with its what to fit in there place ?
Old 03-20-09, 03:25 PM
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spray some PB Blaster in there a night before, then loosen them and start pounding the pipe with a rubber mallet lightly, take down the rubber exhaust hangars, then TWIST each assembly back and forth to get it off the center pipe.

it's a ROYAL PAIN to do it under a car ala jack+jackstands, if possible borrow a lift at some shop
Old 03-20-09, 06:05 PM
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Lexkost
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Originally Posted by lexmas
Has any one tried removing the rear exhaust boxes and fitted straight through pipes instead on a 1997 LS400.

YES, I have been running mine like you stated above,and at times it is too loud for me and it gets on my nerves.
Attached Thumbnails Removing rear exhaust boxes-new_pics_005.jpg  
Old 03-21-09, 02:23 PM
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s_ribs
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I need to give it another go when I have an extra hand. Man those pipes are glued together!! Got everything else off this time though.


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