Any good muffler shop should be able to convert an existing CBE design to quad. Just need to find one you trust if you are gonna buy a brand new CBE and have them start cutting on it.
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F.I. CF CBE | Avant Garde M310 | BC BR's | ONEighty | Status | EvoR | Stillen | Whiteline | B&M | Bespoke Details Boosted Performance | Precision Turbo | Tial | HKS | Innovate Motorsports | Bosch | Treadstone | Walbro | UpRev | Depo
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