Tameless performance

Tameless performance Setting new grounds for diesel performance step by step.

07/22/2026

WE SIMPLIFIED THE DESIGN TO THE T4 2ND GEN MANIFOLD. MACHINED OUT OF 2 BILLET STEEL PIECES.

The Tameless Performance T4 24V Cummins Exhaust Manifold.
- True 1.75 inch exhaust runners complete through
- 4 ARP Studs and nuts included
- 2 EGT Ports
- 1 Turbo T4 gasket included
- 6 Multilayer exhaust manifold gaskets
- Faster spool and Lower EGTs
- High Temp coated
- 1998.5-2024 Cummins
- Manufactured In Leicester NC
- MADE IN THE USA

NOW LIVE ON THE WEBSITE.
TAMELESSPERFORMANCE.COM

07/21/2026

The factory 2007.5 - 2024 6.7L Cummins valve cover includes integrated sensors locations that many aftermarket covers eliminate — causing an unwanted check engine light.

We engineered a clean, reliable solution built specifically to work with our billet valve covers.

Visit our site to order the kit.
TAMELESSPERFORMANCE.COM

07/20/2026

Our guy Lavon D. Miller from Firepunk Diesel has 72hrs to respond...since the 2nd gen did win THE FIRST 72 Fass class 👀🛻

If you need an answer to that, give us a call or visit our site for Cummins products built in-house.

07/18/2026

It is actually just 2-pieces. This is our T4 2ND GEN CUMMINS MANIFOLD.
These are machined out of 2 Billet steel pieces to clean the looks up and to not have to worry about as many welds.

- True 1.75 inch exhaust runners complete through
- 4 ARP Studs and nuts included
- 2 EGT Ports
- 1 Turbo T4 gasket included
- 6 Multilayer exhaust manifold gaskets
- Faster spool and Lower EGTs
- High Temp coated
- 1998.5-2024 Cummins
- Manufactured In Leicester NC
- MADE IN THE USA

NOW LIVE ON OUR WEBSITE.
TAMELESSPERFORMANCE.COM

07/17/2026

MADE IN THE USA. MACHINED IN-HOUSE. BUILT TO HANDLE ANY HP YOU THROW AT IT.

The Tameless Performance T4 24V CUMMINS EXHAUST MANIFOLD.

- True 1.75 inch exhaust runners complete through
- 4 ARP Studs and nuts included
- 2 EGT Ports
- 1 Turbo T4 gasket included
- 6 Multilayer exhaust manifold gaskets
- Faster spool and Lower EGTs
- High Temp coated
- 1998.5-2024 Cummins
- Manufactured In Leicester NC
- MADE IN THE USA

NOW LIVE ON OUR WEBSITE.
TAMELESSPERFORMANCE.COM

07/17/2026

We got some new stuff coming y’all’s way. Stay tuned….

07/14/2026

WE SPONSORED THE 72 FASS CLASS FOR A $70,000 PAYOUT

07/13/2026

The most appealing sound to be on a diesel truck...

It's time we showed off the shops truck build.
07/12/2026

It's time we showed off the shops truck build.

07/10/2026

Machined in-house at Tameless Performance in Asheville, NC. Crafted from high-quality aluminum, this valve cover is designed for enhanced durability and performance.

2006 - 2024 Billet Aluminum Valve Cover for Cummins 5.9, 6.7 Diesel engines.

TAMELESSPERFORMANCE.COM

Address

2852 New Leicester Highway
Leicester, NC
28748

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

Telephone

+18285058195

Website

Alerts

Be the first to know and let us send you an email when Tameless performance posts news and promotions. Your email address will not be used for any other purpose, and you can unsubscribe at any time.

Contact The Business

Send a message to Tameless performance:

Shortcuts

Share

Category