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Crest performance dynamics axle back

Spyder043

Seasoned Member
Joined
Sep 4, 2025
Messages
48
Location
California
V-Series Cadillac(s)?
5Blackwing
On the fence about buying one. I want an exhaust and i want OEM tips, but read that there could be check engine lights and the install might not be a straight bolt on.

will I need an exhaust shop to cut the oem muffler to install this?
 
Contact Crest directly. Sent the owner a message on IG and received a response quickly. Cutting or not I'll be using them in due time since the OEM tips look so much better than round offerings from the major vendors. I asked about polished OEM tips and owner said that is doable.

Shouldn't be any CEL since you're reusing OEM valves.
 

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