Flowmaster
Flowmaster 817603 | Exhaust System Kit
This stainless steel bolt on exhaust system for the 2011 to 2018 GMC and Chevrolet 1500, crew cab / short bed and extra cab / standard bed with 6.2L engine uses Flowmaster's 50 Series Big Block...
For the person who is looking for a complete header-back dual exhaust system with an aggressive tone. With easy fit in mind, these systems are mandrel bent for maximum performance and include specially selected mufflers. American Thunder systems deliver a moderate to aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation.
California Proposition 65 Chemical Name 1 | Nickel (metallic) |
California Proposition 65 Chemical Name 2 | Chromium (hexavalent compounds) |
Exhaust Series | American Thunder |
Exhaust Type | Dual |
Exit Position | Dual Side |
Exit Style | Straight |
Heat Shield Attached | No |
Inlet Diameter | 2.500 in. |
Inlet Inside Diameter | N/A |
Material | Aluminized Steel |
Muffler Count | 2 |
Muffler Part Number | 52558 |
Muffler Series | Super 50 Series |
Outlet Diameter | 2.500 in. |
Outlet Outside Diameter | 2.500 in. |
Single or Dual | Dual |
Sound Level | Moderate/Aggressive |
System Type | Header Back |
Tail Pipe Diameter | 2.500 in. |
Tip Diameter | 3.000 in. |
Tip Quantity | 2 |
Title | Flowmaster 17120 Header-back System - Dual Side Exit - American Thunder - Moderate/Aggressive |
Tubing Diameter | 2.500 in. |
WARNING CA Proposition 65 | Yes |
WARNING CA Proposition 65 Message | WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov |
This product can expose you to chemicals, including WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.