RV6™ HFPCs™ (High Flow Precats)/Downpipe Kit for 15+ TLX (3.5L)

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  • Regular price $625

- 304 Stainless cast stainless flange sections
- 200 Cell metallic substrate Converters  
- TIG welded

All necessary hardware for installation

RV6® will warranty the castings and welding for 24 months. Warranty for the converters will be available through Magnaflow.


RV6® Performance LLC products are sold for off-road use only. All performance modifications and installations are at the customers own risk. RV6® Performance LLC holds no responsibility either implied or otherwise for mechanical, electrical or other failure when using any aftermarket performance products. Items sold for off-road use only are illegal in many states and provinces and are intended for racing vehicles which may never be used on a public road.  

By purchasing any aftermarket performance product, the customer takes full responsibility for any use, and/or misuse of the product and agrees that RV6® Performance LLC holds no responsibility for any consequences, legal, or other, of such use and/or misuse.

An overly rich Air/Fuel ratio (i.e. 11.5:1 or lower) or operating temperatures exceeding 1200 degrees can cause premature catalytic converter failure, voiding the warranty.