Quick Overview: This is a back-to-back comparison between a 89GT Mustang Flowmaster 2 chamber 40 series sound 2000 Chevrolet Silverado 2500 6.0L with stock cats and stock manifolds. It also has a Spectre Cold Air Intake kit installed.
2 Chamber Flowmaster Original 40 - Detailed Overview & Context
This is a back-to-back comparison between a 89GT Mustang Flowmaster 2 chamber 40 series sound 2000 Chevrolet Silverado 2500 6.0L with stock cats and stock manifolds. It also has a Spectre Cold Air Intake kit installed. Stock 5.0L, typhoon intake, 70mm throttle body, shorty headers, catless/ off-road h- pipe, 2.5" This is the car now 9 hours later we finally installed the