Lower lip diffuser
#1
Driver
Thread Starter
Lower lip diffuser
I’m still debating whether I like the subtle look of the rear lower lip diffuser or the entire diffuser that covers the rear valence (I think it’s called). I’m curious if anyone here is using the small lip diffuser. Im looking at some on eBay and Amazon but they appear to need to be mounted on a flat surface. I’ve noticed on my car it’s not flat underneath the back but has 5 ridges.
#2
Driver
Thread Starter
I’m still debating whether I like the subtle look of the rear lower lip diffuser or the entire diffuser that covers the rear valence (I think it’s called). I’m curious if anyone here is using the small lip diffuser. Im looking at some on eBay and Amazon but they appear to need to be mounted on a flat surface. I’ve noticed on my car it’s not flat underneath the back but has 5 ridges.
This is the style I’m looking at.
#3
What year is your car? My 2014 IS 350 is flat back there.
#4
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#5
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#8
Lexus Test Driver
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Location: Richmond Hill, Ontario, Canada
Posts: 6,260
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I think the ebay part you provided will simply mount to the current diffuser and undertray (that has the 5 grooves) to bridge the gap between the two parts.
#9
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#10
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