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Performance MODS for the R171

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Sticky Post your exhaust mod sound clips/vids here!
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 by HR55
BRAKE UPGRADE
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N/A
R171 350 ECU Tuning?
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 by jbanks15
SLK55 Eurocharged tune
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 by Paradox
My Kleemann Supercharger adventure (Pics/vids all over the thread)
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 by jet_fl
Strong exhaust fumes with performance exhaust
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 by jbanks15
headers and cat delete tune surgery question
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 by jbanks15
Exhaust pops on slk 350
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 by i860
Vented Hood
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 by osi
Intake dyno shootout?
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35
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 by jet_fl
Is there a factory LSD diff option ?
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554
 by DHamner
Remember me? My Renntech Supercharger journey is long!
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 by Grip-Grip
76MM Throttle body- or close to it
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 by lgaff
Improves engine response
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 by Benny
SLK Brabus 6.1
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 by Delucas
SLK R171 200 M271 ECU Tuning Issues
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 by solifidist
Headers
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1K
 by lgaff
help needed best mods for 350 R171
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 by jbanks15
What modification is this, X-pipe? [pics inside]
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 by Merc55
H Pipe wanted over X Pipe!
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3K
 by Joe Mack
Intake Build for SLK55
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 by ZeroZero
Performance MODS for the R171 Tuning and Performance modifications for your SLK
11.5K posts
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