MagnaFlow Y-Pipe and Tru-X Pipe transitions are great for single/dual, dual/dual and balance tube applications. MagnaFlow's stainless steel Tru-X crossover pipe represents a significant leap forward in technology over traditional H-pipes. The more gentle radius allows for better exhaust gas scavenging, noise cancellation and better balance between cylinder banks. The result is a significant increase in power and torque but a reduction in db sound levels... the best of both worlds. PartNumber : mag16443 Description : Tru-X Pipe 68-72 Skylark/GS V8 Warranty : N/A Material : Stainless Title : Extension Pipes WARNING CA Proposition 65 : No California Proposition 65 : WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov 1968-1969 Buick GS 400 Base V8.6555cc Exhaust, Mufflers & Tips::Headers & Manifolds 1970-1972 Buick GS 455 Base V8.7456cc Exhaust, Mufflers & Tips::Headers & Manifolds 1970 Buick GS 455 GSX V8.-cc Exhaust, Mufflers & Tips::Headers & Manifolds 1968-1969 Buick Skylark Base V8.6555cc Exhaust, Mufflers & Tips::Headers & Manifolds 1970-1971 Buick Skylark Base V8.7456cc Exhaust, Mufflers & Tips::Headers & Manifolds 1968-1969 Buick Skylark Custom V8.6555cc Exhaust, Mufflers & Tips::Headers & Manifolds 1970-1971 Buick Skylark Custom V8.7456cc Exhaust, Mufflers & Tips::Headers & Manifolds 1964 Chevrolet C10 Pickup Base L6.3769cc Exhaust, Mufflers & Tips::Headers & Manifolds 1965 Chevrolet C10 Pickup Base L6.4801cc Exhaust, Mufflers & Tips::Headers & Manifolds 1964 Chevrolet C10 Pickup Base V8.4638cc Exhaust, Mufflers & Tips::Headers & Manifolds