304 Stainless Steel Jointer Pipe, 16 Gauge 4" to 3.5" (O.D.) Reducer.
Good for Many Custom Applications
Exhaust Downpipe, Manifold, Header
-Especially Designed, Made for the Application Stated
-Fully Tested, Simple Easy Installation
-Offers Excellent Performance Gains
-One of the Best Kits on the Market, with High Quality Products and Affordable Pricing.