Speed Engineering's universal 3" exhaust builder kit gives you mandrel bent 304 natural stainless tubing in a slip fit configuration with an X-pipe included — everything you need to start laying out a custom exhaust system without having to source individual pieces.
⚠️ Important: This is a universal build-your-own kit and is not designed for use with any specific Speed Engineering header or pipe product. Fabrication will be required.
Features:
- 3" Mandrel Bent Tubing — Consistent diameter throughout for maximum exhaust flow
- Slip Fit Construction — Allows for easy positioning and fitment during custom exhaust fabrication
- X-Pipe Included — Crossover pipe included in the kit
- Natural Steel Band Clamps Included
- 304 Natural Stainless Steel Construction — Corrosion resistant and built to last
- Universal Fit — For custom LS swap exhaust builds
Frequently Asked Questions:
Q: Is this kit designed to work with specific Speed Engineering headers? No. This is a universal build-your-own exhaust kit and is not designed for use with any specific Speed Engineering header or pipe product. It is intended for custom exhaust fabrication on LS engine swap builds.
Q: What size tubing is included in this kit? All tubing is 3" diameter, mandrel bent for consistent flow throughout.
Q: What is slip fit construction? Slip fit means the tubing sections slide into each other, allowing you to adjust positioning and routing during fabrication before final clamping or welding.
Q: Does this kit include an X-pipe? Yes. An X-pipe crossover is included in the kit.
Q: What material is this kit made from? 304 natural stainless steel with mandrel-bent tubing and TIG-welded construction. Natural steel band clamps are included.