Vorsprung Audi Q7 Test Pipes, 4M 3.0T Supercharged CREC (2017-2019)
Your 4M Q7 hides a supercharged V6 under the hood and then muffles it behind a pair of restrictive factory catalytic converters. Polite? Sure. Exciting? Not even a little. Time to let it breathe.
These are catless Audi Q7 test pipes for the 2017–2019 Q7 (4M) 3.0T supercharged, CREC engine. They replace the factory catalytic converters right after the exhaust manifolds, cutting out the biggest restriction in the 3.0T's exhaust path. Whether you call them Q7 test pipes, 4M decat pipes or race pipes, this is the dedicated 4M part, not a B8 or C7 pipe forced to fit.
Why Vorsprung Q7 4M Test Pipes?
We only build the Q7 set with dual-layer performance heat shielding, because keeping heat out of the engine bay is critical to the comfort and refinement you expect from a Q7.
- ✅ Single Mandrel-Bent Construction: no modular sections stacked together with extra welds. Fewer weld points means fewer failure points and smoother internal airflow.
- ✅ Integrated Dual-Layer Heat Shielding: keeps engine bay temperatures down and protects nearby electronics and hoses from exhaust heat. Standard on every set, not an add-on.
- ✅ Heavy-Duty 2.0mm T304 Stainless: thinner tubing is common on cheaper test pipes. The 2.0mm wall gives a deeper note and keeps out the tinny rasp thin pipes are known for.
- ✅ TIG Welded & Back Purged: smooth, structurally sound internal welds built to live next to a supercharged V6.
- ✅ Complete Install Kit: every set includes all the gaskets and high-grade hardware needed for a leak-free seal. No trips to the hardware store.
What You'll Notice
- ✅ A louder, more aggressive V6 soundtrack with more supercharger character
- ✅ Lower exhaust backpressure right after the manifolds
- ✅ More room to make power, especially on tuned and pulleyed Q7s
Bottom line: a test pipe built specifically for the 4M Q7, with heat shields standard, 2.0mm stainless and every gasket in the box, for $599.99 with free US shipping.
Technical Specifications
| Feature | Specification |
|---|---|
| Compatibility | Audi Q7 (4M) 3.0T Supercharged, CREC |
| Material | T304 Stainless Steel |
| Wall Thickness | 2.0mm |
| Construction | Single-piece mandrel bent, TIG welded, back purged |
| Heat Protection | Integrated dual-layer shielding |
| Included | Driver and passenger test pipes, all gaskets and hardware |
Q7 Test Pipes or Q7 Downpipes?
Both bolt to the front of the 4M 3.0T exhaust, but they do different jobs.
| Q7 4M Test Pipes | Q7 4M Downpipes | |
|---|---|---|
| What it replaces | The factory catalytic converters | The pipes after the factory cats |
| Catalytic converters | Removed (catless) | Factory cats stay on the car |
| Best for | Maximum flow, off-road and track use | More flow and sound with the cats in place |
| Price | $599.99 | From $599.99 |
Vehicle Fitment
Built specifically for the 2017–2019 Audi Q7 (4M) with the 3.0T supercharged V6, CREC engine code. Not for the 2007–2015 Q7 (4L), the 2020 and newer Q7 with the 3.0T turbo, the 2.0T Q7 or the SQ7. Driving a B8/B8.5 S4, S5, Q5, SQ5, C7 A6, A7 or D4 A8 3.0T? You want our Audi S4 test pipes instead.
| Make | Model | Chassis | Years | Engine |
|---|---|---|---|---|
| Audi | Q7 | 4M | 2017–2019 | 3.0T V6 Supercharged (CREC) |
NOTE: Off-road / motorsport use only. Test pipes remove the catalytic converters entirely and are not designed to meet emissions standards. CREC-spec only. Not sure about your engine code? Email your VIN to help@vorsprungautowerk.com and we'll confirm fitment.
Audi Q7 Test Pipes FAQ
When will my Q7 test pipes ship?
The Q7 test pipes are a pre-order item. The current batch is expected to deliver in November 2026, and you'll get a shipping confirmation with tracking as soon as your set is on its way. Questions about timing? Email help@vorsprungautowerk.com.
Will these fit my Q7?
They fit the 2017–2019 Audi Q7 (4M) with the 3.0T supercharged V6, CREC engine code. They don't fit the 4L Q7, the 2020 and newer 3.0T turbo Q7, the 2.0T Q7 or the SQ7.
Are these test pipes street legal?
No. These are catless test pipes intended for off-road and track use only, and they are not legal for street or highway use in any emissions-controlled jurisdiction. If you want to keep the catalytic converters, see our Q7 4M Downpipes, which bolt in after the factory cats so the converters stay on the car.
Will removing my catalytic converters trigger a check engine light?
Running catless can trigger catalyst-efficiency codes on some ECUs. Check with your tuner about a tune or O2 spacers if you plan to run catless long-term.
Do I need a tune?
A tune that accounts for the decat is strongly recommended. It gets the most out of the added flow and handles catalyst monitoring. Check with your tuner for the correct file.
Do heat shields cost extra?
No. Dual-layer heat shielding is built into every Q7 set, and all gaskets and hardware are included in the $599.99 price.
Can I run these with your Q7 downpipes?
Yes. The downpipes are the next section back, so the two can be paired for a fully upgraded front exhaust. Or run the downpipes alone and keep the factory cats.
Why Buy From Us?
A test pipe designed for the 4M Q7 itself, with heat shielding standard, 2.0mm stainless, every gasket and bolt in the box and free US shipping. Pre-orders ship from us when the November batch lands, and a real person will check your VIN before you order.
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Enthusiast Designed & Tested: Developed by people who actually drive and modify these cars.
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Tested on Our Own Cars: If we wouldn't run it ourselves, we don't sell it.
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Continuous R&D: We continually develop and improve our products instead of relying on generic catalog parts.
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Supporting Audi Platform Development: Your purchase helps fund continued development of new parts for these chassis.
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Real Enthusiast Support: Get help from people who understand the platform, not ticket bots.
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Small Team, Big Passion: Every order directly supports continued product development and innovation.
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Performance Without the Marketing Fluff: Purpose-built parts designed to perform.
Complete Your Q7 Build
Frequently paired with these test pipes:
- Q7 4M Non-Resonated Downpipes: the next section back, for a louder, more aggressive tone. Pair them with the test pipes, or run them alone with the factory cats in place.
- Q7 4M Resonated Downpipes: a quieter, more refined tone for a daily-driven Q7.
- Ported Supercharger Service: pair the added exhaust flow with a ported supercharger case.
Want the full breakdown first? Read our Audi 3.0T test pipes guide or the test pipes vs high flow cats comparison.
Shop More Parts for Your Audi
Browse every Vorsprung part for your chassis: Audi Q7 4L/4M parts · Q7 exhaust. Or see all Audi 3.0T performance parts.
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Vorsprung Audi Q7 Test Pipes, 4M 3.0T Supercharged CREC (2017-2019)
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