Down tubes fit perfectly highly recommend.
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EXT-DP007
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At Extreme Online Store, we are dedicated to delivering high-quality automotive accessories and stand behind the craftsmanship of our products. To ensure customer satisfaction, we offer limited warranties depending on the product category.
For all body kits, interior accessories, and exhaust components, we provide a 90-day limited warranty. This warranty covers any manufacturer defects in materials and workmanship that may arise within 90 days from the date of purchase. If a defect is identified, we will evaluate the claim and may offer repair, replacement, or a refund depending on the situation.
Lighting products, including tail lights, headlights, LED daytime running lights (DRLs), and signal lamps, are covered under a 2-year limited warranty. This warranty guarantees that these products are free from defects such as non-functioning LEDs, internal condensation buildup, or cracks caused by manufacturing faults, provided the products are used under normal conditions.
Products manufactured by third-party brands such as Fabspeed Motorsport, WindRestrictor, Vertical Lambo Doors, and Vette Lights are not covered under Extreme Online Store’s warranty policy. These items fall under the warranty terms set forth by their respective manufacturers. Customers purchasing these products will need to contact the brand directly for any warranty claims. However, our team is available to assist with contact information and guidance on initiating claims with these brands.
Please note that warranties do not cover damage resulting from improper installation, misuse, racing or track usage, off-road driving, or accidents. Normal wear and tear, fading due to environmental exposure, and modifications made to the product after purchase are also excluded from warranty coverage.
If you experience any issues with your product that you believe fall under our warranty policy, you should contact us at support@extremeonlinestore.com. To process a claim, we will require your order number, proof of purchase, a detailed description of the issue, and clear photos or videos showing the defect. We may request the defective product to be returned to our warehouse for inspection before determining the appropriate resolution, which could be a replacement, store credit, or refund at our discretion.
Warranties are valid only for the original purchaser and are non-transferable. Proof of purchase is necessary for all warranty claims. The timeline for processing warranty claims may vary depending on product availability and the complexity of the issue. Our team is committed to handling every warranty request with care and efficiency.
We appreciate your business and strive to ensure every customer has a positive experience with Extreme Online Store. For any further questions regarding our warranty terms or assistance with a claim, please contact us at support@extremeonlinestore.com.
VEHICLE TYPE: 2014-19 Chevrolet Corvette C7
SURFACE FINISH: Brushed Silver
MATERIAL: T-304 Stainless Steel
TYPE: Race Downpipe
DIAMETER: 3 Inches
FEATURES:
Extreme Online Store is proud to introduce an all-new Stainless Steel Connection Pipes for the 2014-2019 Chevrolet Corvette C7 with a V8-6.2L engine. Designed to replace the extremely restrictive exhaust manifold, the performance Stainless Steel connection pipes are constructed of 3", 16 gauge, mandrel-bent, 304 stainless steel tubing for strength and durability. The high-flowing connection pipes are designed 3" mandrel-bent, 304 stainless steel tubing for optimum flow resulting in added horsepower and torque.
+24 HP and +24 lbs. x ft. Torque max gain (Dyno results with Race Series 3" X-Pipe P/N: EXT-DP007 & Street Series 3" Connection Pipes P/N: EXT-MP013 combined)
Constructed of 3" mandrel-bent 304 Stainless steel tubing
3" outlets connect directly to OE or Aftermarket Exhaust
Heavy-duty flanges and OE-Style gaskets are used to maintain a leak-free seal
Optimized tube lengths improve flow and performance
3 lbs. LIGHTER than OE system
MIG-Welded construction ensures optimal strength and durability
Dual High-Flow Catalytic Converters:
This system utilizes 200 CPSI (cell per square inch) metallic high flow catalytic converters for maximum flow.
Construction:
Constructed of mandrel-bent dual 3" 304 stainless steel piping.
Factory Mounting Location:
3" diameter connection pipes mount directly to OE mounting locations.
Leek-Free Seal:
High-quality OE-style flanges and band clamps are used for a complete 360-degree sealing surface.
The performance connection pipes are designed to fit in the stock location which allows this system to fit without modification for a hassle-free installation.
This is a Race Only product used solely for competition. Its use is limited to closed-course and open-course racing that is formally sanctioned by a recognized racing organization. Any other use including recreational off-road use could be in violation of local, state, and federal laws. This system is not currently CARB exempt and is not available for sale in California or for use on any vehicle registered with the California Department of Motor Vehicles.

| Years | Make | Model | Generation | Trim | Body |
|---|---|---|---|---|---|
| 2014–2019 | Chevrolet | Corvette | C7 | All | — |
Fitment is verified against the manufacturer application data for this part. If your vehicle is not listed, or you are unsure, email support@extremeonlinestore.com before ordering.
Overall rating: 5.0 / 5 from 22 reviews.
Down tubes fit perfectly highly recommend.
Curtis M. 5/5 Verified
Great product and great price! Fit perfectly. Also have EOS x pipe.
Jerald A. 5/5 Verified
Chevrolet Corvette C7 3" Stainless Steel Race Series Catless Downpipe
Good sound
Jesus G. 5/5 Verified
Chevrolet Corvette C7 3" Stainless Steel Race Series Catless Downpipe
Easy install, perfect fitment, and great sound.
Robert A. 5/5 Verified
Chevrolet Corvette C7 3" Stainless Steel Race Series Catless Downpipe
Paired with the EOS X-pipe and sounds awesome. You will need a tune or 90 degree O2 spacers to keep the check engine light away. Paired with the NPP on the corvette I still have a quiet stealth mode. With the exhaust open, she screams!
Adam C. 5/5 Verified
Chevrolet Corvette C7 3" Stainless Steel Race Series Catless Downpipe
My car sounds great so I’am happy with my purchase.
Corey H. 5/5 Verified
Great fit and finish.
John K. 5/5 Verified
Sounds epic, good purchase. fit great too
Andrew A. 5/5 Verified
Great shopping experience, easy transaction, parts arrived quick and looked awesome as described!! Will definitely do business with again.
Robin T. 5/5 Verified
some suggestions, make rear oxygen sensor bungs optional and add a oxygen sensor bung to the front x pipe for a wide band oxygen sensor.
Mark G. 5/5 Verified
Quick shipping and the part looks great and fit with no issue.
#2461 M. 5/5 Verified
Chevrolet Corvette C7 3" Stainless Steel Race Series Catless Downpipe
Took the studs out of the stock manifolds. This made the install very easy with an extra pair of hands. I bought new GM gaskets to go along with the install and to be safe buy a couple new studs from GM, the old ones are not the most friendly coming out.
Tyler S. 5/5 Verified
Chevrolet Corvette C7 3" Stainless Steel Race Series Catless Downpipe
I bought my exhaust for my Corvette C7 and everything was perfect, I recommend them
Fernando Toni Logistic T. 5/5 Verified
Chevrolet Corvette C7 3" Stainless Steel Race Series Catless Downpipe
So far they’ve been excellent. The overall weld quality on them was a 7/10 and I’m sure over time they will show wear but as of now they’ve been on for about 1000 miles and they perform exactly as they should. Install was a breeze and took roughly 4 hours on a z51. Do not need to take off dry sump oil lines, can get them in if you loosen the headers and turn them slightly. Would absolutely buy again and save 2/3 thousand over long tube headers.
Jared P. 5/5 Verified
Super nice sound paired with the corsa xtreme variable exhaust. Not too loud where it shakes the cabin but just enough to make people see where that beast of a sound is coming from.
Diego A. 5/5 Verified
Chevrolet Corvette C7 3" Stainless Steel Race Series Catless Downpipe
Great looking pipes, thick flange for support and pipes are polished, much cheaper than the competition I have not installed them yet but I am very pleased with the quality
Bill B. 5/5 Verified
Chevrolet Corvette C7 3" Stainless Steel Race Series Catless Downpipe
Not installed yet as of this review, BUT the quality we see and the finish looks great, definitely ready to hear and feel the difference
Insanity C. 5/5 Verified
Chevrolet Corvette C7 3" Stainless Steel Race Series Catless Downpipe
DIY on jack stands, 6hrs im slow pretty sure anyone with tools could do it faster. Down pipes fit like OE. Very thin walled piping, hope they last. I also installed their x-pipe also easy fit. I have OE mufflers and run e85. I have no gas smell issues. The sound has 100% changed and it screams under wot, but is quiet at cruising rpm. You will get a light due to cat delete. I feel a very noticeable tire spinning torque increase. Ill get a retune in a couple weeks and see if any numbers changed post install.
Joseph G. 5/5 Verified
Chevrolet Corvette C7 3" Stainless Steel Race Series Catless Downpipe
Great experience as always with EOS!! Fastest shipper in the west! Love them!!
Eric K. 5/5 Verified
Chevrolet Corvette C7 3" Stainless Steel Race Series Catless Downpipe
Got me both the catless downpipes and x pipe from extreme online store. I would highly recommend going this route !!! The quality is perfect. Car is LOUD just how I wanted it. My current set up is stock headers , catless downpipes , x pipe and npp deletes. I know that there’s not a single video online with this set up and If you are interested in hearing how it sounds, add me on TikTok @ marvs_c7. Definitely looking forward into buying headers from them as well !
Marvin R. 5/5 Verified
Chevrolet Corvette C7 3" Stainless Steel Race Series Catless Downpipe
Good quality, sweet welds
David F. 5/5 Verified
Corvette C7 3" Stainless Steel Race Series Connection Downpipe
Perfect fitment
James P. 5/5 Verified
Corvette C7 3" Stainless Steel Race Series Race Cat Connection Downpipe