93 K1500 LS swap 5.3

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JMoore

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Want to install a set of long tube headers and Y pipe. What would you recommend and what mods would need to be done to achieve this.
 

Erik the Awful

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If you have the capability to weld, DIY. I built my own with cheap Hedman headers that collect into a 3" collector and neck down into a 2.5" exhaust the rest of the way out. If I were to do it again I'd get the 2.5" collector headers. I put in two 2.5" Walker catalytic converters, two Cherry Bomb Salute mufflers, and used a single mandrel bent U, cut in half, to route the driver's side exhaust to the passenger side. I had to build a transmission crossmember to clear the cats.
 

JMoore

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If you have the capability to weld, DIY. I built my own with cheap Hedman headers that collect into a 3" collector and neck down into a 2.5" exhaust the rest of the way out. If I were to do it again I'd get the 2.5" collector headers. I put in two 2.5" Walker catalytic converters, two Cherry Bomb Salute mufflers, and used a single mandrel bent U, cut in half, to route the driver's side exhaust to the passenger side. I had to build a transmission crossmember to clear the cats.
Thanks for the info. Unfortunately I don’t have the capability to do that. Looking for bolt on upgrades.
 

Nash

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I bought Schoenfeld headers for a 92 Silverado 5.7/5sp and used Lq4 engine.
 
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