DEI Coupons & Promo Codes for August 2022

Save with these DEI discounts and coupon codes - 8 active codes
  • 31% Off
    Deal
    Save 31% Off at DEI
    Save 31% Off On Design Engineering 010127 Titanium 2" X 50' Exhaust Heat Wrap With Lr Technology
    Get Discount
    Ends Sep 26th
  • 15% Off
    Deal
    Save 15% Off at DEI
    Save 15% Off On Design Engineering 010470 Fire Sleeve And Tape Kit Heat Protection For Wires, Hoses, Etc., 0.375" X 3'
    Get Discount
    Ends Oct 12th
  • 13% Off
    Deal
    Save 13% Off at DEI
    Save 13% Off On Design Engineering 010472 Fire Sleeve And Tape Kit Heat Protection For Wires, Hoses, Etc, 0.625" X 3'
    Get Discount
    Ends Sep 19th
  • Sale
    Deal
    Save at DEI
    Design Engineering 010140 T3 Titanium Turbo Shield - Custom Fit Turbo Blanket, 19" X 2.5" For $152.99
    Get Discount
    Ends Oct 5th
  • Sale
    Deal
    Save at DEI
    Heat Shield Liner - '86-'11 HD, FXST/FLST, Vance & Hines Short Shots For $75.32
    Get Discount
    Ends Sep 12th
  • Sale
    Deal
    Save at DEI
    Just 13.69 For Floor & Tunnel Shield II™ - 10" x 10"
    Get Discount
    Ends Sep 4th
  • Sale
    Deal
    Save at DEI
    Only $250.25 For Heat Screen Gold™ - 36" x 40"
    Get Discount
    Ends Aug 28th
  • Sale
    Deal
    Save at DEI
    Black Seaming Tape - 1.5" X 15' For $29.74
    Get Discount
    Ends Sunday
Older / Unreliable Coupons DEI promo codes
  • 20% Off
    Deal
    Save 20% Off at DEI
    Save 20% Off All Products On Black Friday Sale
    Get Discount
    Expired
  • Sale
    Deal
    Save at DEI
    '85-'91 C4 Corvette L98 - Egr Pipe Cover 15 Inch For $21.37
    Get Discount
    Expired Last Saturday
  • Sale
    Deal
    Save at DEI
    Only $32.35 For Form-A-Shield™ - 12" x 21"
    Get Discount
    Expired
  • Sale
    Deal
    Save at DEI
    Dei Dark Heather Gray T-shirt - Medium For $21.95
    Get Discount
    Expired
  • Sale
    Deal
    Save at DEI
    DEI Dark Heather Gray T-Shirt - Large For $21.95
    Get Discount
    Expired
  • Sale
    Deal
    Save at DEI
    Titanium Knit Exhaust Sleeve - 4" X 36" For $92.21
    Get Discount
    Expired
  • Sale
    Deal
    Save at DEI
    Heat Screen™ (Non-adhesive) - 36" By Linear Foot For $86.07
    Get Discount
    Expired
  • Sale
    Deal
    Save at DEI
    Only $19.37 For Boom Mat® Prep Spray
    Get Discount
    Expired
  • Sale
    Deal
    Save at DEI
    Just $14.41 For Decoupling Washers - 0.375" Large (10.31mm Id X 31.75mm Od) - 10-pack
    Get Discount
    Expired
  • Sale
    Deal
    Save at DEI
    Speaker Baffles - 6" X 9" Oval For $14.55
    Get Discount
    Expired
  • Sale
    Deal
    Save at DEI
    Only $12.25 For Speaker Baffles - 6.75" Round
    Get Discount
    Expired
  • Sale
    Deal
    Save at DEI
    Gladiator - Black Original Finish Complete Kit For $414.62
    Get Discount
    Expired
  • Sale
    Deal
    Save at DEI
    Titanium 4" Knit Exhaust Sleeve - 24" For $67.18
    Get Discount
    Expired
  • Sale
    Deal
    Save at DEI
    Just $40 For Dei Titanium Weave Throw Blanket
    Get Discount
    Expired
  • Sale
    Deal
    Save at DEI
    Boom Mat® Leather Look Sound Barrier - 24" x 48" (8 sq. ft.) For $117.13
    Get Discount
    Expired
  • Sale
    Deal
    Save at DEI
    Titanium Flexible Heat Shield With Trim Ring - 3.5" X 6.5" For $67.14
    Get Discount
    Expired
  • Sale
    Deal
    Save at DEI
    EXO Series™ Protect-A-Boot Ringless Sleeve - 8-Pack For $188.38
    Get Discount
    Expired
  • Sale
    Deal
    Save at DEI
    Easy Loom™ Split Wire Sleeve - 0.375" X 20' For $29.80
    Get Discount
    Expired
  • Sale
    Deal
    Save at DEI
    Just $9.97 For Radiator Relief™ Cooling System Flush
    Get Discount
    Expired
  • Sale
    Deal
    Save at DEI
    Only $10.57 For Speaker Baffles - 5.25" Slim
    Get Discount
    Expired
  • Sale
    Deal
    Save at DEI
    Only $180.51 For Stainless Steel Acoustical Floor & Tunnel Shield - 22" x 19"
    Get Discount
    Expired
  • Sale
    Deal
    Save at DEI
    Fire Sleeve™ & Tape Kit - 0.625" ID x 36" For $30.15
    Get Discount
    Expired
  • Sale
    Deal
    Save at DEI
    Speaker Baffles - 4" X 6" Oval For $11.82
    Get Discount
    Expired
  • Sale
    Deal
    Save at DEI
    Boom Mat® Original Finish Headliner - Black 0.5" For $237.85
    Get Discount
    Expired
  • Sale
    Deal
    Save at DEI
    Fire Sleeve™ - 0.625" ID x 25' For $166.78
    Get Discount
    Expired
  • Sale
    Deal
    Save at DEI
    Boom Mat® Original Finish Headliner - Black 1" For $241.42
    Get Discount
    Expired
  • Sale
    Deal
    Save at DEI
    Muffler Shield Kit For $58.97
    Get Discount
    Expired
  • Sale
    Deal
    Save at DEI
    Sprinter Van Insulation - Long Wheel Base Kit (350 sq. ft.) For $508.43
    Get Discount
    Expired
  • Sale
    Deal
    Save at DEI
    Stainless Steel Heat Shield Pad - 4" x 8" For $81.95
    Get Discount
    Expired
  • Sale
    Deal
    Save at DEI
    Boom Mat® Original Finish Headliner - White 0.5" For $237.85
    Get Discount
    Expired
  • Sale
    Deal
    Save at DEI
    Only $22.85 For Lite'N Boltz™ LED Accent Lighting - Amber
    Get Discount
    Expired
  • Sale
    Deal
    Save at DEI
    Just $18.44 For Boom Mat® Prep Spray
    Get Discount
    Expired
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    Save 10% Off at DC Sports
    Receive 10% Off On Your Order
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  • Braille Battery coupons
    Save at Braille Battery
    I25x - Intensity Lithium Group 25 Battery For $889.99
    Get Discount
    Ends Oct 16th
  • Pro Series coupons
    Save at Pro Series
    Pro Series 1400980376 Weld-On Square Tube Jack, Black For $186.01
    Get Discount
    Ends Oct 16th
  • Buyers coupons
    Save at Buyers
    Just $274.94 For Buyers Products 8883000 Rear Observation System With Night Vision Camera , Black
    Get Discount
    Ends Oct 16th
  • Depo coupons
    Save at Depo
    DEPO 335-2003R-AS Replacement Passenger Side Fog Light Assembly For $45
    Get Discount
    Ends Oct 16th
DEI Promo Codes FAQ
How do I find the latest DEI Promo Codes?

BrokeScholar is a great source for the latest DEI deals. We recommend checking this page for promo codes before checking out at DEI.

I have a DEI Promo Code not listed on BrokeScholar, can you add it?

Of course! Fill out our contact form with the subject line "DEI Promo Code" and include all offer details. Once verified the code will be added to this page.

Why does BrokeScholar list expired DEI Promo Codes?

Occasionally DEI will extend a promotion or reuse a code at a later date. If there are no active codes, try out some older ones -- they just might work!

Does DEI offer Black Friday and Cyber Monday deals?

Yes, DEI offers Black Friday and Cyber Monday deals. You can find all DEI Black Friday coupons and Cyber Monday deals on BrokeScholar.

More About DEI Coupon Codes and Offers

At BrokeScholar we work around the clock to update this page with active promo codes, coupons and discounts for DEI. Our editors monitor newsletters, social media posts, deal forums, and third party sellers to find the best DEI deals. For students, we also track DEI student discounts for exclusive savings. We've done the research so you don't have to. Bookmark this page and never miss a DEI promotion again.

DEI coupons
Active Coupons:8
Total Sales:40
Top Discount:31%
Updated:Yesterday
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About DEI Discounts

Currently we have 8 active DEI coupons for August, 2022. Since we began tracking DEI discounts, we've found a total of 40 coupons and deals. These include 0 promo codes, 40 sales, and no free shipping deals.

Save up to 31% off with our best DEI coupon. Save 31% Off On Design Engineering 010127 Titanium 2" X 50' Exhaust Heat Wrap With Lr Technology

Highest ever DEI discount: Up to 50% Off Wood Marble Water Bottle

Latest DEI Offer: Save 15% Off On Design Engineering 010470 Fire Sleeve And Tape Kit Heat Protection For Wires, Hoses, Etc., 0.375" X 3'

How to apply Promo Codes at DEI
  1. Select a DEI promo code that fits your order. Click "Reveal Code" to copy the promo code to your clipboard.
  2. Head to designengineering.com and navigate to your shopping cart. Double check the right items are in your cart.
  3. Find the promo code box, paste your code, and click apply.
  4. Review your savings before finishing checkout. The discount should reflect in your order total.