Mel's Manufacturing 4" Cat Back Exhaust Kit using OEM 4-Bolt Flange 01-05 GM 6.6L Duramax ALI-AP63410 This AFE Power oil cap

This AFE Power oil cap gives your Powerstroke some eye catching style under your hood

If you are looking for extra protection from your riding environments and a cool cover

the Katla is designed with precise backspacing and offset to optimize handling and tire clearance without unnecessary rubbing

Knowledge of dissimilar metals (Cast/Forged/CRS) is highly recommended

Mel's Manufacturing 4" Cat Back Exhaust Kit using OEM 4-Bolt Flange 01-05 GM 6.6L Duramax ALI-AP63410 This AFE Power oil capFor those who want the look and sound of a full 4" turbo back kit but want to retain the factory Cat, this is the kit you want. Each Kit comes with a pass through style muffler for increased performance and all required hardware for installation. This particular kit is also designed to be used in conjunction with the OEM factory 4 bolt flange.