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R171-SLK Performance MODS

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Post your exhaust mod sound clips/vids here!

3 4 5
80
34K
 by pklein

R171 SLK55 MBH Headers Installation?

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192
 by SLKM113
M

Performance mod rabbit hole

44
867
 by Jay_Bruce

722.9 Transmission tuning options in 2026

28
1K
 by MShoemaker

Engine swapping the early 3.5 liter M272 to the later 2009-2011 model engine

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54
1.4K
 by Alex 3

Performance Chip?

9
2.7K
 by Baron de Sigognac
A

Suspension upgrade for California backroads (bumpy)

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51
 by alpinaturbo
M

Denver Dyno Tuning?

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9
 by MShoemaker
D

Aftermarket Exhaust Headers still available?

7
103
 by DHamner

55 AMG oil cooler mod -> get your oil cooler used with different oil temps.

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2.7K
 by Double E
M

First start of slk350 swapped engine

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193
 by Noblehops

Racing strut bar and sub frame strut bar/brace

2
37
7.8K
 by Jaro Noga

Hi can anyone advise on a mod like this?

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77
 by Avel Du
S

Supercharged SLK55's Questions

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146
 by jet_fl
U

How many supercharged SLK55 are currently on the forum?

2
56
32K
 by ccmano

Does my new 2006 SLK55 AMG have long tube headers? See images!

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210
 by 350 6speed

eBay Long Tube Headers opinion please

2
158
 by slk55amgbob

2006 SLK55 AMG R171: Can’t find Supersprint X-Pipe in U.S. and Secondary Cat Delete Question

15
496
 by jbanks15

Does make any sense additional front spacer bar in engine bay?

16
593
 by Roooom

Can an AMG Speedshift MCT Work in an SLK55?

9
502
 by SLKM113
S

UK M113k

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382
 by SLKM113
R

Park distance control that looks OEM

1
269
 by jbanks15
D

MBH Motorsports

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625
 by DHamner

Throttle body upgrade M272 280/350

2
719
 by SLKM113
S

Ecu tuning in or out?

3
697
 by ccmano

Supercharger Pulley change

2
1.6K
 by Avel Du

Customised Strut bar

6
805
 by slk55amgbob

Looking for info on potential mods for a 08-10 SLK55 AMG

32
2.4K
 by jbanks15
B

Exhaust options slk350

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961
 by Avel Du

Headers: Heat wrapping or coating?

30
2.6K
 by Jay_Bruce

E10 95 in 55 AMG increases performance ?!?

6
1.1K
 by addmoregas

Going to get ECU & TCU tune at Eurocharged

2
33
5.5K
 by addmoregas

SLK 55 Renntech supercharger - weird behavior

7
1.1K
 by mbrendzik

CF Bonnet/Hood?

14
1.4K
 by 260DET

youtuber putting V12 into R171 SLK

12
3K
 by Rick_In_Tas
L

M272 350 Intake and Throttle Body Modification

9
5.7K
 by cyberdrakon
R171-SLK Performance MODS
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Tuning and Performance mods
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