Twisted Steel Y-Pipe 3 to 3-1/2 IN 304 Stainless Steel w/ Cat GM Silverado/Sierra 1500 19-21 V8-5.3L

AFE Power 048-48-34135-RC Features:

aFe's Twisted Steel Y-Pipes are constructed of 409 Stainless steel mandrel-bent tubing and come equipped with hi-flow (49 state legal or Canada legal) 400 CPSI catalytic convertors. This Y-pipe incorporates 3 in. down pipes from the manifolds to a 3-1/2 in. merge pipe collector that connects directly to the factory location. The merge-collectors mitered design reduces turbulences for better flow and performance over the tradition form collectors. For a hassle-free install, this y-pipe fits to all OE mounting locations and incorporates the OE hanger, flange and O2 sensors.

• Mandrel-bent 3" into 3-1/2" 304 stainless steel tubing for improved flow and longevityTrue 2-
• Into-1 mitered merge collector reduces turbulence and improves throttle response
• Incorporates high-flow 400 cell catalytic converters for better flow and more power
• Hassle-free installation with no modifications necessary