Jett Lawrence Wins Glendale 250SX West Triple Crown

Second overall in premier class gives Chase Sexton Triple Crown title Colt Nichols returns from injury and finishes...

Solid Sixth in Switzerland for Fernandez

Team HRC’s Ruben Fernandez put in two solid rides to go five-eight for sixth overall, at the MXGP of Switzerland, hel...

Westby Racing Continues March To Atlanta With Preseason Test At Buttonwillow

With round one of the MotoAmerica Superbike season coming up on April 21-23 at Michelin Raceway Road Atlanta, Westby ...

Riola Sardo proves a tough test for Fernandez

After an impressive sixth place in yesterday’s qualification race, Team HRC’s Ruben Fernandez had a much tougher tim...

Jett Lawrence Takes His Fourth Win of the Season at Seattle SX

Lawrence stretches 250SX West Region points lead to 23 Chase Sexton finishes fifth in 450SX after leading early Th...

Team Honda HRC Sweeps Detroit Supercross

Chase Sexton scores come-from-behind win in premier division Hunter Lawrence dominates 250SX East Region class Havi...

Hunter Lawrence Wins Again at Indianapolis Supercross

The Australian extends 250SX East points lead with fourth win in five rounds Chase Sexton falls while battling for ...

Fabulous Fernandez wins opening round of the 2023 MXGP World Championship

With a stunning second moto victory, Ruben Fernandez took the overall win at the MXGP of Patagonia-Argentina, sparki...

Hunter Lawrence Takes Daytona Supercross 250SX East Win

Chase Sexton extends premier-class podium streak with third-place finish Chance Hymas finishes a career-best sixth ...

Westby Racing And Rider Mathew Scholtz Complete Preseason Test At Buttonwillow

It was a long haul out to the West Coast for MotoAmerica Superbike team Westby Racing and its rider Mathew Scholtz, b...

Tim Gajser injured at Italian Championship in Trentino

Team HRC’s Tim Gajser had a crash in the second moto at the Italian International Championship in Arco di Trento, la...

Jett Lawrence Wins 250SX West at Oakland Supercross

Chase Sexton third in 450SX after leading early Colt Nichols earns ninth place in premier class Following a rare s...
Close (esc)

Free Shipping

Free Ground Shipping on Web Orders over $75.00

*48 Contiguous States

Age verification

By clicking enter you are verifying that you are old enough to consume alcohol.


Shopping Cart

Your cart is currently empty.
Shop now

Race series product restriction and affirmation


The RACE SERIES product you are purchasing removes, renders inoperative, or bypasses required elements of the emission control systems of EPA, certified motorcycles of motorcyle engines and may only be installed on motorcycles that are restricted to closed course competition. Installation of this product on a motorcyle that is ridden on a public street, highway, or public lands violates the tampering and defeat device provisions of the Clean Air Act & 203(a)(3)(A) and/or & 203(a)(3)(B) and may subject you to a civil penalty of up to $37,000.

Information (Enter as Applicable)

Race Information

Rider/Purchaser Information


By clicking below, I affirm:
  1. that i have read the above warning;
  2. that any information I have entered is accurate; and
  3. that any motorcycle on which I install the RACE SERIES product will be restricted to closed course competition and will not be ridden on any public street, highway or public lands.