SKU: 41875100745

2545 Superchips Flashcal 1999-2018 Chevrolet/GMC Trucks - Gas/Diesel

$134.97 $149.97
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Ships within 48 hours · Estimated delivery Jul 10 - Jul 15

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Description

2545 Superchips Flashcal 1999-2018 Chevrolet/GMC Trucks - Gas/DieselOverview: If, Digital Battery Voltage Display, Real time Data Logging, Real time Data Monitoring, Upgradeable to Flashpaq Tuning. Features: Corrects speedometer for tire upgrades between 26 38 * Speedometer recalibration for gear axle swaps * Speed Rev Limiter Options * TPMS Options * Reads and clears diagnostic trouble codes Digital Battery Voltage Display Real time Data Logging Real Time Data Monitoring Upgradeable to Flashpaq Tuning Application:

Overview:

If, Digital Battery Voltage Display, Real-time Data Logging, Real-time Data Monitoring, Upgradeable to Flashpaq Tuning.

Features:

  • Corrects speedometer for tire upgrades between 26 - 38 *
  • Speedometer recalibration for gear /axle swaps *
  • Speed/Rev Limiter Options *
  • TPMS Options *
  • Reads and clears diagnostic trouble codes
  • Digital Battery Voltage Display
  • Real time Data Logging
  • Real Time Data Monitoring
  • Upgradeable to Flashpaq Tuning

Application:

Year Make Model Submodel Engine Size
2001 - 2016 GMC Sierra 1500 SLT 325/5.3L V8
1999 - 2004 Chevrolet Silverado 2500 364/6L V8
2000 - 2009 GMC Yukon SLE 294/4.8L V8
2002 - 2016 GMC Sierra 1500 Base 325/5.3L V8
2007 - 2016 Cadillac Escalade ESV 376/6.2L V8
2003 - 2007 Hummer H2 364/6L V8
2002 - 2005 Cadillac Escalade 325/5.3L V8
2004 - 2009 Chevrolet Silverado 1500 LT 364/6L V8
2002 - 2013 GMC Sierra 1500 WT 294/4.8L V8
1999 GMC Yukon 350/5.7L V8
2003 - 2005 Chevrolet Silverado 2500 HD LT 496/8.1L V8
2001 - 2013 GMC Sierra 1500 SL 325/5.3L V8
2001 - 2006 GMC Yukon XL 2500 496/8.1L V8
2010 - 2016 GMC Sierra 1500 Denali 376/6.2L V8
2001 - 2013 GMC Sierra 1500 SLE 294/4.8L V8
2011 - 2013 Cadillac Escalade Premium 376/6.2L V8
2009 - 2012 GMC Canyon SLE 325/5.3L V8
2003 - 2005 Chevrolet Silverado 2500 HD Base 496/8.1L V8
2005 - 2006 Chevrolet SSR 364/6L V8
2000 - 2016 GMC Yukon SLT 325/5.3L V8
2010 - 2013 GMC Sierra 1500 XFE 325/5.3L V8
2007 - 2015 GMC Sierra 3500 HD 364/6L V8
2003 - 2005 Chevrolet Silverado 2500 HD LT 403/6.6L V8
2004 - 2005 Chevrolet Silverado 1500 LS 364/6L V8
2003 - 2005 Chevrolet Silverado 2500 HD Base 403/6.6L V8
2008 - 2013 Chevrolet Tahoe LTZ 325/5.3L V8
2001 - 2006 Chevrolet Silverado 3500 496/8.1L V8
2001 - 2015 GMC Sierra 2500 HD 364/6L V8
2015 Cadillac Escalade ESV Premium /L
2001 - 2015 Chevrolet Silverado 2500 HD 364/6L V8
2000 - 2013 Chevrolet Tahoe LT 325/5.3L V8
2015 - 2016 GMC Yukon XL Denali 376/6.2L V8
2002 - 2006 Chevrolet Avalanche 1500 325/5.3L V8
2001 - 2016 Chevrolet Silverado 2500 HD 403/6.6L V8
2009 - 2013 Cadillac Escalade Base 376/6.2L V8
2005 - 2008 GMC Sierra 1500 SLT 364/6L V8
2002 - 2005 GMC Sierra 1500 Base 294/4.8L V8
2004 - 2013 Chevrolet Silverado 1500 WT 294/4.8L V8
2000 GMC Yukon Denali 350/5.7L V8
2000 - 2013 Chevrolet Tahoe LS 325/5.3L V8
2001 - 2004 GMC Yukon Denali 364/6L V8
2001 - 2006 GMC Sierra 3500 403/6.6L V8
2016 Chevrolet Silverado 1500 Custom 325/5.3L V8
2015 Cadillac Escalade Platinum /L
2011 - 2013 Cadillac Escalade Luxury 376/6.2L V8
2001 - 2007 Chevrolet Tahoe 294/4.8L V8
2001 - 2016 GMC Sierra 1500 SLE 325/5.3L V8
2004 - 2006 Chevrolet Silverado 1500 SS 364/6L V8
2001 - 2006 GMC Sierra 2500 HD 496/8.1L V8
2004 - 2016 Chevrolet Silverado 1500 LT 325/5.3L V8
2006 - 2016 Chevrolet Silverado 1500 LS 262/4.3L V6
2007 - 2016 Chevrolet Silverado 1500 LTZ 325/5.3L V8
2006 GMC Sierra 1500 SL 262/4.3L V6
2006 - 2008 Chevrolet Trailblazer SS 364/6L V8
2003 - 2005 Chevrolet Silverado 2500 HD LT 364/6L V8
2004 - 2013 Chevrolet Silverado 1500 LS 294/4.8L V8
2000 - 2010 GMC Yukon XL 2500 364/6L V8
2001 - 2004 GMC Sierra 1500 SLT 294/4.8L V8
2000 - 2016 GMC Yukon SLE 325/5.3L V8
2000 - 2008 GMC Yukon XL 1500 325/5.3L V8
2004 - 2013 Chevrolet Silverado 1500 LT 294/4.8L V8
2007 - 2013 Cadillac Escalade EXT 376/6.2L V8
2010 - 2016 GMC Sierra 1500 SLT 376/6.2L V8
2009 GMC Yukon XL 1500 SLT 364/6L V8
2010 - 2013 Chevrolet Silverado 1500 LT 376/6.2L V8
2000 - 2010 Chevrolet Suburban 2500 364/6L V8
2007 Chevrolet Silverado 2500 HD Classic 403/6.6L V8
2000 - 2014 Chevrolet Suburban 1500 325/5.3L V8
2005 - 2006 GMC Yukon 294/4.8L V8
2007 - 2016 Cadillac Escalade 376/6.2L V8
2000 - 2004 GMC Yukon SLT 294/4.8L V8
2009 - 2013 Cadillac Escalade Platinum 376/6.2L V8
2003 - 2005 Chevrolet Silverado 2500 HD Base 364/6L V8
2002 - 2013 GMC Sierra 1500 WT 325/5.3L V8
2000 Chevrolet Tahoe LT 294/4.8L V8
2003 - 2006 Cadillac Escalade ESV 364/6L V8
2005 - 2006 GMC
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 41875100745

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4.3 ★★★★★
Based on 118 reviews
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Product Reviews
M
Verified Purchase
Mike S.
San Leandro, US
★★★★★ 5
Excellent Car Sound Deadening and Heat Insulation Solution
Material Type: 157mil Closed Cell Foam, Style: 157 mil 36 SqFt
If you're looking for a high-quality car sound deadening and heat insulation material, then the Siless Liner 157 (4 mm) mil 36 sqft is definitely worth considering. This product is designed to offer superior noise reduction and heat insulation for your car, making your driving experience more comfortable and enjoyable. The closed-cell foam material used in this product is of premium quality, and it effectively blocks out external noise and vibrations. This means you can enjoy a quieter and more peaceful ride, even on noisy roads. In addition, the Siless Liner 157 also provides excellent heat insulation, which can help keep your car cooler in hot weather. One of the best things about this product is that it's very easy to install. You don't need any special tools or equipment, and the material can be easily cut to fit any shape or size. It's also very lightweight and flexible, which makes it easy to work with. Overall, the Siless Liner 157 (4 mm) mil 36 sqft Car Sound Deadening Closed Cell Foam & Heat Insulation mat is an excellent choice for anyone looking to improve the comfort and performance of their car. It's a high-quality product that delivers on its promises, and it's definitely worth the investment.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 12, 2023
M
Verified Purchase
Marie Phillips
Bozeman, US
★★★★★ 4
Heavy-Duty That Works!
Material Type: 157mil Closed Cell Foam, Style: 157 mil 36 SqFt
This extreme sound deadening mat performs well for reducing road noise and vibration. It feels dense and adheres securely when properly applied. Once installed, it noticeably improves interior quietness. Overall, it’s a strong choice for more serious sound insulation projects.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 12, 2026
J
Verified Purchase
J Whitehead
Houston, US
★★★★★ 5
Good product, quite sticky I must say.
Material Type: 157mil Closed Cell Foam, Style: 157 mil 36 SqFt
Worked for my van insulation
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 1, 2026
D
Verified Purchase
David Spencer
Los Angeles, US
★★★★★ 5
Good stuff
Material Type: 157mil Closed Cell Foam, Style: 157 mil 36 SqFt
Good stuff, easy to use, self adhesive backing contours around curves easily and works great.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 29, 2026
S
Verified Purchase
stookie778
Lake Worth, US
★★★★★ 5
Works amazingly, but only if you install it correctly.
Material Type: 157mil Closed Cell Foam, Style: 157 mil 36 SqFt
If you purchasing Siless Liner 157 mil (4 mm) Sound Deadening mat, to block unwanted sounds in your car, this is what you need to buy. But wait! It's not the only thing you need to buy if you want to "actually" deaden sound. By itself, it will definitely block a noticeable amount of sound, and, most likely, that's all you realistically need. But... But... If you want the Siless Liner Sound Deadening Mat to really help you take it up a few notches, to get the best sound almost bordering on soundproofing, listen up. You will have to install traditional butyl rubber first. Doesn't have to be the Siless brand, but I'm sure they would love to sell both to you, I used both Killmat (80mil) and Noico (50mil). I have a Honda S2000. It's a two-seater convertible sports car if you don't know what this car is, and it's loud when I'm driving above 60mph. I also happen to have a sound system installed as well. Other than that, the car is stock. I first installed the butyl rubber on the car's interior sheet metal. I went all out and covered everything I could. I didn't need to but I wanted to. I was extremely impressed with the results. But I wanted to go further. Not because I needed to but because just wanted to see what it would be like. So I bought Siless Liner 157 mil (4 mm) 36sqft Sound Deadening mat to go on top of the butyl rubber mats. I put this over every area I installed the butyl rubber. I had to be careful of clearance issues since I added a significant amount of underlayment, and you should too. If you put butyl rubber sound-deadening materials in 50% of the total interior area, you'll hear a noticeable improvement. If you put butyl in about 80% of the total area, you'll be even more amazed at the improvement, compared to before. I originally did all the above myself, so that's my experience and so your mileage may vary. I then installed the Siless Liner Sound Deadening mat over every place I could even going further than I could with the butyl rubber. I used the Siles Liner in areas where butyl rubber would not have been effective, such as the roll bar hoop area and large empty cavities or holes. I covered everything I could, firewall, doors, floor pan, transmission tunnel, trunk, trunk lid, fuel tank area, rear quarter panels, and rear-wheel tunnels, in Siless Liner Sound Deadening Mat. WOW!! The Siless Liner Sound Deadening Mat was the icing on the cake! Let's not forget, this car is a convertible sports car so it will never be a quiet ride, ever. But I can now actually have a conversation with a passenger at a normal-ish volume! This also means I can now have a normal hands-free phone call without having to plug one ear to block out the noise! My sound system sounds so much better! Just by going through the install process, I looked for any vibration, rattle, squeak, and noise-prone areas to either eliminate or reduce unwanted noise production. If you forget this step, the inside and outside of your car will rattle and buzz. I skipped this step the first time around. But did it right before I installed more butyl rubber and the improvement was impressive, especially inside the car. Outside the car, I didn't notice a difference until I put the last layer of Siless Liner Sound Deadening Mat. The sound deadening mat works both ways from what I can tell. If I turned up my music, as loud as I occasionally do, parked in the attached garage to the house, with the garage door closed, I would be barely able to tell the car was playing music in the garage. It sounds like it is another car, just a little bit down the street, with a very loud base. If you stand 20 feet away outside the car, the sound system is noticeable, but not obnoxious by a long shot. Get a 3 piece wood/metal roller set as well, which makes quick work of large areas.
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Reviewed in the United States on December 23, 2021

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