For those with the stock ITR exhaust system: What axleback if any are you using?
What's a good aftermarket axleback to mate with the stock ITR b-pipe? Anyone have any dyno numbers of a before and after of swapping the ITR muffler/axleback with a aftermarket one like the Spoon or T1R? I'm sure the improvement will be small but just wondering which yields more power...
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