SL/R231: SL63 Mods Update
#1
Junior Member
Thread Starter
SL63 Mods Update
I'm working toward getting max sound and max performance from my lil red car; finding skilled and available vendors has been the hardest part so far. But here's where I am after a couple months now of owning it...
The biggest improvements have been replacing the subs in the footwells with more powerful JL's, the sound is incredible now from them; Performance wise the ECU and Cold Air intake have made performance meaningfully better, especially after I replaced the spark plugs with cold ones. The tires break loose now on a moderate launch and never did that before. I couldnt get a feel for the right launch at the dragstrip because tire spin simply wasn't an issue before these mods, but I'll practice and get better at it. I'm told these catless downpipes will make the car sound much better (I was fine with the current sound), but will also noticibly improve performance. There's a 1/2 mile dragstrip event this weekend so I'll see how it goes there after these pipes are in.
Carmine Red Vinyl Wrap with custom paint accents (Car was originally black/black)
Vinyl Wrap and Tint Removal + Clear Bra
ECU Stage 3 remap
M157 BiTurbo Cold Air Induction Kit
Post ECU tune Dyno RWHP
98.2 mph in 1/8th mile with ECU and UPD Cold Air Induction Kit
98.2 mph in 1/8th mile with ECU and UPD air intake
Catless Downpipes (Installing today)
10" SUB (#3) behind driver's seat
4 (3-way) Crossover pre-amp for center channel delete and front/rear component staging
Modified Depth/Replace Footwell Subs with JLs
Modified Depth/Replace Footwell Subs with JLs
Factory mid/tweets replaced with 3-way components in front and rear
Dynamat treatment throughout doors/footwells for subs and components
Factory Tweeter Replacements
Dynamat treatment throughout doors/footwells for subs and components
The biggest improvements have been replacing the subs in the footwells with more powerful JL's, the sound is incredible now from them; Performance wise the ECU and Cold Air intake have made performance meaningfully better, especially after I replaced the spark plugs with cold ones. The tires break loose now on a moderate launch and never did that before. I couldnt get a feel for the right launch at the dragstrip because tire spin simply wasn't an issue before these mods, but I'll practice and get better at it. I'm told these catless downpipes will make the car sound much better (I was fine with the current sound), but will also noticibly improve performance. There's a 1/2 mile dragstrip event this weekend so I'll see how it goes there after these pipes are in.
Carmine Red Vinyl Wrap with custom paint accents (Car was originally black/black)
Vinyl Wrap and Tint Removal + Clear Bra
ECU Stage 3 remap
M157 BiTurbo Cold Air Induction Kit
Post ECU tune Dyno RWHP
98.2 mph in 1/8th mile with ECU and UPD Cold Air Induction Kit
98.2 mph in 1/8th mile with ECU and UPD air intake
Catless Downpipes (Installing today)
10" SUB (#3) behind driver's seat
4 (3-way) Crossover pre-amp for center channel delete and front/rear component staging
Modified Depth/Replace Footwell Subs with JLs
Modified Depth/Replace Footwell Subs with JLs
Factory mid/tweets replaced with 3-way components in front and rear
Dynamat treatment throughout doors/footwells for subs and components
Factory Tweeter Replacements
Dynamat treatment throughout doors/footwells for subs and components
#2
Junior Member
I see you have the UPD air intake mod. What do you think? I run it on the R231 with K &N and the Weistec tune. Seems like a good upgrade.
#3
Junior Member
Thread Starter
UPD air intake
I was lucky enough to have my car dyno'ed without it, and then with it moments later by a nice guy who took it off his E63 who happened to be getting dyno'ed at the same time; he put his on mine to see what performance if any was available. There was 50ftlb more of torque so it was a no brainer purchase. Also I then got the car retuned after installing it along with colder plugs and it absolutely pulls harder.
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shardul (09-20-2017)
#4
Junior Member
Thanks! I thought so. I do not have the same hp or torque but the enlarged air box and the new filter placement really helps. I will eventually go one step colder on the plugs. Great info. Your car is now the TRQV8DR!
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jmcd33 (09-20-2017)
#6
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Join Date: Dec 2015
Location: Seattle, Wa
Posts: 23
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2103 SL 63 AMG
Looks good! Which sound system are you replacing the speakers on, HK or BO? did you throw any codes changing them out? Is it quite a difference? I like the way my HK sounds but im sure it could sound better. Any special reason you went with JL audio?
On another note, which tune are you running? What were your stock dyno numbers and do you have the performance package? Keep up the good work.
On another note, which tune are you running? What were your stock dyno numbers and do you have the performance package? Keep up the good work.
#7
Super Member
Call me "faint of heart", but if I needed a hammer like that one to change out my speakers...I'd forget the whole thing!
The following 2 users liked this post by Dr. Manhattan:
rorywquin (02-04-2019),
ThatsMyDawg (01-20-2024)