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Discussion Starter · #1 ·
Hi, im 19 and new to the challenger community. I also have close to no useful knowledge with tires and rims but I want to learn.
I recently bought OE hellcat replicas 20x9 with a 18 mm offset. I want to run some beefier tires than what I currently have on my stock 100th anniv. rims (245/45/20).
What size can I run comfortably with no rubbing issues or anything like that? Thanks for taking your time to respond
 

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2009 B5 SRT8 M6
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With 20x9s, 275/40/20 will fit perfectly, and be the same height as the 245/45
 

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Discussion Starter · #3 ·
Thanks for the response, I appreciate it. It will be the same height but will it look beefier then the stock? Or look the same in the wheel well as the stock ones do? If I go bigger will they rub? May be dumb questions but for some reason I can’t wrap my head around all of the little things that go into tires haha, thanks again
 

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2016 SXT Plus Blacktop
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Welcome to Challengertalk ;)

The 245/45, 275/40 are the same diameter, etc. They will look the same from the side. The 275 is considerably wider of course
1017957

275/45s will be taller, with a taller sideway, etc. I personally wouldn't go 275/45...
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Did any of you notice this is for a 2014? The front fenders aren't flared for wider tires like the 2015+. Am I wrong here?
 

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Its likely you have either an SXT or R/T 100th Anniversary - the fronts may require spacers to avoid rubbing with a 275/40 tire.

The knuckles on SXT and R/T models have a different positioning vs. how the Scat Pack / SRT models with Brembo brake knuckles are set up.
 
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