SL/R230: Best High flow Cats ?
10-24-2017, 02:40 AM
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2003 SL55
Best High flow Cats ?
Apparently one of the honey combs in my primary cats has broke so its rattling so i need to replace my cats and if I'm going to do it i might as well upgrade it all...
I was under the impression our cars stock exhaust diameter is 2.25, if I wanted to upgrade to custom 2.5 all the way through and delete secondary cats and resonators what would be the best option for 2.5 high flow primary cats ?
Anyone have experience doing this ?
I was under the impression our cars stock exhaust diameter is 2.25, if I wanted to upgrade to custom 2.5 all the way through and delete secondary cats and resonators what would be the best option for 2.5 high flow primary cats ?
Anyone have experience doing this ?
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