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MartiniWorks
MartiniWorks

CTS Turbo B6 Audi A4 Test Pipe

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Upgrade your B6 Audi A4 1.8T with the CTS Turbo test pipe. Crafted from T304 stainless steel, this 3″ mandrel bent pipe delivers power gains, improved exhaust flow, and a meaner exhaust note for your ride. Easy fit for 2001-2005 B6 A4 1.8T models, it’s a solid performance and visual upgrade that stands out. Ready for data logging with additional O2 sensor bung options. Just remember, proper tuning software is a must to keep that CEL away and make the most of this beast. Time to make your Audi roar!
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CTS Turbo B6 Audi A4 Test Pipe
1 x $149.99
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$149.99
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What cars does this fit?

All Compatible Vehicles (7 total)

Compatible Vehicles
2005 Audi A4 Base
2005 Audi A4 Cabriolet
2004 Audi A4 Base
2004 Audi A4 Cabriolet
2003 Audi A4 Base
2003 Audi A4 Cabriolet
2002 Audi A4 Base

Product Description

The CTS Turbo B6 A4 1.8T test pipe is the go-to choice for unleashing more power from your Audi. Swap out that restrictive stock catalytic converter with our 3" stainless steel test pipe designed for a seamless fit right after the turbocharger. What you get? Improved exhaust flow, noticeable power gains, and a deeper growl that'll make your Audi stand out. The mandrel bent piping ensures smooth transitions and a clean look under your car. Plus, it's not just about performance; this test pipe is a looker too with its hand-tig welded finish. Need an extra O2 sensor bung for data logging? We've got you covered!

Fits like a glove on 2001-2005 B6 Audi A4 1.8T models. Made from T304 stainless steel, mandrel bent, and fully TIG welded, this test pipe comes with all the installation hardware you need. Just remember, for that pesky CEL light, you'll need proper tuning software. CTS Turbo recommends going green with a High Flow Cat for the environment's sake! And to truly unlock its potential, consider pairing it with stage 2 software for a complete performance package.

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About MartiniWorks

We're passionate, real car enthusiasts located in Appleton, Wisconsin who care about you modifying your car the right way; with the right aftermarket car parts. With a combined 75 years of aftermarket car building experience, we make sure you're always buying the right part for your car.
Every part available is the lowest price on the internet, ensuring you're getting the best deal to modify your car. With the largest catalog of aftermarket wheel brands, performance brands, and suspension brands, MartiniWorks supports your build through real product reviews, real experiences, and a real customer experience team that loves helping you mod your car.
MartiniWorks specializes in wheels, tires, suspension and performance brands like Enkei Wheels, Continental Tires, Work Wheels, Injen Intakes, K&N Performance, Greddy, Stage Wheels, Advan Wheels, General Tires, BC Racing Coilovers, Fifteen52 Wheels, Fortune Auto Coilovers, and many more. Check out our entire store here!

Our Car Part Education Channels

We know how aftermarket car parts work, and we post everyday on parts, car builds, and automotive news to keep you in the know on the up and coming things for your car. Take a look at our channels and if you'd like to see us do a video on a product, let us know in the comments!
Main Youtube Channel|Unboxings & Product Reviews|Instagram

Shipping & Delivery

How Shipping Car Parts Works

Shipping times vary depending on item availability. While we work closely with our vendors and manufacturers, inventory accuracy may sometimes cause potential delays.

Unless a specific lead time is listed on this product page, expect to receive an email or communication with an ETA within 1-3 business days of placing an order. Many suspension kits ship within 5 business days while some take 7-14 business days (Excluding made to order products like Fortune Auto). While we strive to keep these estimates accurate, please note that we cannot guarantee the exact delivery date. These estimates are subject to change due to weather, holidays, etc.

Availability on back-ordered or custom made products will very and we will keep you informed via email with any arrival date changes. You will receive tracking information as soon as it is available so you can easily track all of your aftermarket car parts from us here at MartiniWorks.
Due to the nature of products arriving overseas or around the world, orders with multiple products may arrive to your door at different times. All shipping prices are based on delivery to the lower 48 states unless specified otherwise and do not include any duties or custom fees you may be subject to.
Aftermarket car parts like intakes, lug nuts, bolts, and smaller items will typically be shipped via USPS or Fedex; in a standard size box. Aftermarket wheels will be shipped in their original box with tracking via Fedex/UPS via LTL; and may arrive at different times to your door.
Wheel & tire packages will be shipped to you via freight and will require signature and courier confirmation. Please keep in mind that many wheel & tire packages will be off-loaded to you via lift gate and MartiniWorks is typically not responsible for any additional charges for that service.

Inspection Upon Delivery

Upon receiving your items, please promptly check them and inform us of any issues, damages, or discrepancies. Before beginning any installation or taking your vehicle to a mechanic, ensure that all components and boxes are accounted for and match the packing list or provided instructions. We cannot cover any expenses incurred from installation delays caused by absent components. Should you find any parts missing or damaged due to shipping, contact us without delay for assistance in obtaining a replacement. Please note, we are unable to address claims for missing or damaged parts if reported more than 14 days after delivery.

Order Policies

Cancellation Policy

For any modifications or cancellations to your order, please contact us immediately, and we will assist you in making the necessary adjustments to your shipment. Our system is designed for rapid processing, meaning your order might be further along in preparation than anticipated. Please be aware that cancellations can incur a restocking fee unless the error was on our part.
If your order has not yet shipped, you may cancel it; however, cancellations due to buyer's remorse, change of interest, or similar reasons will incur a 10% refund processing fee. Please note that while we will make every effort to accommodate your request, we cannot guarantee a cancellation or modification once the order has been processed.
If your order has already been processed or shipped, it may be subject to a restocking fee of up to 30% of the product cost, plus shipping fees. These fees are determined at the vendor's discretion and may be changed or altered at any time. This helps cover shipping expenses and labor involved in handling your order.
For full details on cancellations, exclusions, and eligibility, please visit: https://martiniworks.com/faqs

Return Policy

For full details on returns, exclusions, and eligibility, please visit: https://martiniworks.com/return-policy.

Warranty Details

Manufacturer warranties are fully applicable, and we're here to help ensure you receive a product that meets your standards. In certain cases involving warranties, it may be necessary for the manufacturer to get in touch with you directly. Please be aware that we cannot cover any expenses not specifically included in the manufacturer's warranty, such as shipping or labor costs. If you have any questions or need assistance, don't hesitate to reach out to us. It's important to note that only the original buyer is eligible to make warranty claims.
WARNING: This product can expose you to Nickel, which is known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to p65warnings.ca.gov.