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Not a Borla fan
Recently added Borla touring system to new 2024 5.3 Tahoe z71 - big mistake- gas mileage has declined- and noise level way higher than expected- had added K&N air filter some time before adding Borla - everything ran well - but adding the Borla threw everything into tailspin- Can’t say Borla has...- Oldmac
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- Forum: Engine & Drivetrain
