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SL-Class (R230) 2003 -- 2012: Discussion on the SL500, SL550, SL600

SL/R230: Performance upgrades

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Old Apr 9, 2003 | 09:49 PM
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2003 SL 500
Performance upgrades
What all can we do to upgrade the engine performance of our 2003 SL 500? Can we add software chip, intake, headers, exhaust, etc.
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Old Apr 9, 2003 | 09:51 PM
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You could add a Kleemann Supercharger... it's pricey, but everyone who has one says it was worth it.
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Old Apr 9, 2003 | 09:57 PM
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2003 SL 500
Do you have any info as far as how many HP it puts out and how much it cost?
Originally posted by Dave OH
You could add a Kleemann Supercharger... it's pricey, but everyone who has one says it was worth it.
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Old Apr 10, 2003 | 04:14 AM
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Kleemann supercharger, about 150 rwhp gain, $14k for parts, add another $2k for installation

HPS might be developing their supercharger for the SL500. 100 rwhp gain, $8.5k parts
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Old Apr 10, 2003 | 04:55 AM
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Jim you were at HPS right? what do you think of their stuff honestly?
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