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adding an axle back to sti performance exhaust

648 Views 2 Replies 3 Participants Last post by  ProZach626
currently have a stock 2018 sti with the sti performance exhaust. is it worth putting an axle back on that? and if so any recommendations ? i dont want to do anything that will void warranty
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An axleback may make the vehicle louder, it won't add to performance.
The only warranty you will void will be your stock muffler warranty. Nameless makes great products. If you don't mind it being a bit on the loud side you can get their muffler deletes for a few hundred dollars and they sound great in my opinion.

I've yet to hear of any engine failures denied from cat back exhaust modifications, let alone axle back.
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