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3L Impala SS
This downpipe also replaces the stock downpipe/Ubend and provides increased performance by upgrading the stock cat with a stainless Magnaflow unit
Advanced surface treatments
On all other PCMs
Refer the installation to an AEM-trained tuning shop or call 800-423-0046 for technical assistance
Individual Ecotec Valves Universal Exhaust 3L Impala SSThese are brand new GM ACDelco LNF valves, sold individually. If you need a complete set of valves, you would have to order quantity 8 each of the intake and exhaust. Exhaust valves: Sodium filled stainless steel Inconel A GREAT upgrade for the LSJ. They work fine in LNF, LSJ, LHU, LDK applications
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