Ships By 11/14
- What Do You Drive?
We’re sorry. The information you have requested is temporarily unavailable.
Magnaflow Exhaust Systems Part #17870 Customer Reviews
1 Customer Review
Reviewed by Philip B (COLUMBIA, TN) Reviewed for a 2017 GMC Sierra — Jun 01, 2017 5:54 AM
The Magnaflow exits more to the side and the polished 6" tip looks much better than stock. Gets rid of the factory 3" diffuser and unattractive shroud. Lower EGT keeps the PCM from reducing power on long hills pulling 15K load.