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The Invidia Q300 stainless-steel cat-back exhaust for 2006+ Honda Civic Si four-door is an aftermarket cat-back system that replaces the factory rear exhaust and terminates in stainless tips. Offered in a Q300 layout specific to Civic Si 4dr applications, it provides a direct-fit rear exhaust replacement with stainless construction and shopper-facing fitment for that model.
Invidia 06+ Civic Si 4dr Q300 Stainless Steel Cat-back Exhaust
