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· Registered
2002 gmc envoy_slt
3,214 Posts
You're COIL, the ONLY TB with air springs is the SS. - The option is there as the same shocks fit the Envoy, Bravada, Ranier and Saab. The ECAS was an option for the Envoy and standard on the Bravada/Rainier and I believe the Saab.
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