C5 Corvette Z06 ARH 1-7/8" Long Tube Headers with X-Pipe (2001–2004)
For 2001–2004 C5 Corvette Z06 owners, the American Racing Headers (ARH) 1-7/8" Long Tube Header System replaces the factory manifolds and mid-pipe section with a freer-flowing header + X-pipe layout that connects at the rear axle connection point and then mates to your rear exhaust.
ARH C5 Z06 1-7/8" Long Tube Header System – Product Details
- 1-7/8" primary tubes into 3" merge collectors with scavenger spikes for efficient exhaust evacuation
- Catted X-pipe or catless (off-road) X-pipe options
- 304 stainless steel construction with hand-ported TIG welded inlets
- 3/8" thick laser-cut flanges for a warp-free seal
- Optimized primary tube routing for strong fit and clearance
- Includes O2 extension harnesses (required to complete the install)
Why American Racing Headers (ARH)
- Made entirely from 304 stainless steel with precision fabrication
- Merge collectors + scavenger spikes built into the design
- Severe-duty high-flow catalytic converter option (catted configuration)
- Built in the USA and backed by a lifetime warranty
Benefits
- Improves exhaust efficiency for stronger acceleration feel and sharper throttle response
- More aggressive tone under load compared to stock manifolds
- Gives you a clean foundation to build a full exhaust system around headers + X-pipe
- Catted option is typically chosen to reduce raw fuel odor vs. catless setups
What to Expect After Installation
Expect a noticeably louder, more performance-oriented tone and a quicker-revving feel, especially once the car is properly calibrated. Catted systems generally sound cleaner and control odor better than catless systems.
Technical Specifications
- Header type: Long tube header system
- Primary tube diameter: 1-7/8"
- Collector size: 3" merge collectors
- Collector technology: Scavenger spikes
- X-pipe: Included (catted or catless option)
- Material: 304 stainless steel
- Flange thickness: 3/8" laser-cut
- Build: Hand-ported TIG welded inlets
- Warranty: Limited lifetime warranty
What’s Included
- Long tube headers (pair)
- X-pipe midsection (catted or catless depending on selection)
- O2 extension harnesses (required to complete the install)
- Install hardware and gaskets
- Band clamps included where applicable
Installation Overview
This is an intermediate-to-advanced install. Plan for extra time if working on jack stands. Good heat management (plug wire protection and routing) matters with any long tube header install. A proper ECU calibration is required after installation for best results.
Corvette Compatibility
- Fits: 2001–2004 Chevrolet Corvette C5 Z06 (LS6)
What Customers Say
- Owners commonly mention strong build quality, solid fitment, and a big change in sound character once installed.
- Many recommend choosing catted setups for a more street-friendly experience versus the smell/harshness that can come with catless systems.
- Heat management and install planning (tools, access, and time) are recurring themes for a smooth install.
Custom Corvette Accessories is enthusiast-run, focused on correct fitment, fast nationwide shipping, and real-world Corvette ownership support.
If you want a proven long tube header + X-pipe foundation for your C5 Corvette Z06, the ARH 1-7/8" Long Tube Header System is a premium path to better flow, stronger response, and a more aggressive tone.
Vehicle Fitment & Specifications
| Generation: | C5 |
| Model Years: | 2001 - 2004 |
| Trim Level: | Z06 |
| Engine Code: | LS6 |
| Transmission Type: | Manual |
| Intended Use: | Street |