Does your Vehicle has a P0420 / P0430 Code

Is Your Check Engine light On?

Our 02 sensor spacers can help.

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Accessories (154)

154 products

O2 Sensor Spacers (3)

3 products

O2 Sensor Tools (2)

2 products

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Discover our top-rated O2 sensor tools and spacers, designed for easy installation, improved performance, and to help clear engine codes effortlessly.

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00-09 Honda S2000 AP1 AP2 CR Dual Catback Exhaust System

$399.99
THESE WILL NEED MODIFICATIONS, SITS SLIGHTLY CROOKED, ADJUSTABLE TIPS HELP THE TIPS LOOK EVEN.    SOLD AS IS, NO RETURNS
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03-09 Nissan 350Z Z33 Titanium Burnt Tip Single Muffler 4″ Exit Catback Exhaust System

Original price was: $929.99.Current price is: $829.99.
Best fitment guaranteed, over a 200+ Circuit Werks 350Z Single Exhaust System sold to date!  With over hundred’s plus happy
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05-08 Porsche 987.1 Boxster/Cayman V2 Titanium Catback Exhaust Burnt Tip

Original price was: $1,399.99.Current price is: $1,299.99.
2005-2008 Porsche Boxster & Cayman 987 (AKA 987.1) V2 Titanium  Dual Muffler Exhaust System w/ Dual 3.5″ Thick Wall Burnt
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05-08 Porsche 987.1 Boxster/Cayman V2 Titanium Catback Exhaust Polished Tip

Original price was: $1,399.99.Current price is: $1,299.99.
2005-2008 Porsche Boxster & Cayman 987 (AKA 987.1) V2 Titanium Dual Muffler Exhaust System w/ Dual 3.5″ Thick Wall Tips.
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05-10 Ford Mustang Upper Chassis Mount for Rear UCA GT GT500 Arm Bracket V6

$594.95
Circuit Werks latest 2005-2010 Ford Mustang performance parts This new bracket is a direct replacement for the stock upper control arm
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HOW WE WORK

We simplify your automotive needs with quality tools, expert guidance, fast delivery, and reliable support—making every project smoother and easier.

AUTOMOTIVE ELECTRONICS

Explore high-performance automotive electronics designed for durability, reliability, and enhanced vehicle functionality in both everyday driving and demanding conditions.

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MANUAL TRANSMISSIONS

Delivering precision-engineered manual transmission parts for smooth shifting, long-lasting performance, and total driving control in all vehicle conditions.

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AIR COOLING SYSTEMS

Enhance engine efficiency with advanced air cooling systems designed for optimal temperature control, durability, and peak performance in any condition.

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Reliable Auto Tools & Accessories to Save Your Time and Money

Upgrade your garage with essential tools like O2 sensor sockets and catalytic converter spacers (45°, 90°, 180°) designed to fix CEL codes P0420/P0430.
Our curated collection helps you maintain your vehicle with ease, saving both time and repair costs.
Experience better performance, smoother maintenance, and smarter auto care—right when you need it.

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