Tameless performance

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

A show-stopping look to your Cummins build with the Tameless Performance Billet Valve Cover. Designed, machined, and fin...
09/18/2026

A show-stopping look to your Cummins build with the Tameless Performance Billet Valve Cover. Designed, machined, and finished in-house in Asheville, NC, this cover delivers uncompromising quality and durability for your 24-valve Cummins engine.

Live on our website: TAMELESSPERFORMANCE.COM

09/17/2026

Factory motor mounts are prone to wear, cracking, and excessive flex—especially on tuned or hard-working trucks. These billet mounts reduce engine movement, keeping everything aligned under load.

The Billet Motor Mounts for the 2007.5 - 2018 6.7L Cummins is available on our site.

09/16/2026

2-piece design. Machined out of one-piece of billet. Proven to give your truck more power.

Our T4 2nd Gen Manifold is now available on our site.
TAMELESSPERFORMANCE.COM

09/15/2026

We finally did it. It's available on the website now.

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
- Manufactured In Leicester NC
- MADE IN THE USA

TAMELESSPERFORMANCE.COM

2006 - 2024 Billet Aluminum Valve Cover for Cummins 5.9, 6.7 Diesel engines, precision-machined in-house at Tameless Per...
09/14/2026

2006 - 2024 Billet Aluminum Valve Cover for Cummins 5.9, 6.7 Diesel engines, precision-machined in-house at Tameless Performance in Asheville, NC. Crafted from high-quality aluminum, this valve cover is designed for enhanced durability and performance.

Available on our site.
TAMELESSPERFORMANCE.COM

09/11/2026

Put the chips down and let's buy the rocker box...

Always a fun time seein y'all stop by the booth and bs with us and love the products. We look forward to the next event at the end of this month.

09/10/2026

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

09/09/2026

Precision CNC-machined from solid billet aluminum for extreme strength, superior cooling, and a sleek look under the chassis. Designed to replace the factory pan on 68RFE transmissions without modifications, this pan boosts fluid capacity, enhances heat dissipation, and delivers long-term reliability.

LIVE ON THE WEBSITE.
TAMELESSPERFORMANCE.COM

Flicks from race day. TAMELESSPERFORMANCE.COM
09/08/2026

Flicks from race day.

TAMELESSPERFORMANCE.COM

EST. 2015TAMELESSPERFORMANCE.COM
09/08/2026

EST. 2015

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

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