F/S Borla Y-pipe
This is for a single cat LT1, fits stock manafolds, and any headers that bolt up to the stock y-pipe 
this welds on to the cat or off-road pipe
"Borla's LT1 Y-Pipe increases rear wheel horsepower on your 93-95 LT1 by approximately 8-10 over stock. They are constructed of 2-3/4" T-304 Stainless steel (which is 1/2" larger than stock) and are mandrel bent for maximum flow. Welding to your catalytic converter is required. An excellent alternative to headers!" from thunders web site

this welds on to the cat or off-road pipe
"Borla's LT1 Y-Pipe increases rear wheel horsepower on your 93-95 LT1 by approximately 8-10 over stock. They are constructed of 2-3/4" T-304 Stainless steel (which is 1/2" larger than stock) and are mandrel bent for maximum flow. Welding to your catalytic converter is required. An excellent alternative to headers!" from thunders web site
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WobblySausage
LT1 Based Engine Tech
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