DEI 17-22 Harley Davidson FLH/FLT/FLR Heat Shield Liner Kit - 901045 MSRP: Was: Now: $75.32 Add to Cart
DEI Speaker Baffles 5.25in Round 6.5in Wide 6.5 Height 2.5in Deep Pair - 50321 MSRP: Was: Now: $11.83 Add to Cart
DEI Speaker Baffles 5.25in Round 6.5in Wide 6.5 Height 4in Deep Pair - 50320 MSRP: Was: Now: $11.83 Add to Cart
DEI Boom Mat Damping Material - 12-1/2in x 24in (2mm) - 20.8 sq ft - 10 Sheets - 50210 MSRP: Was: Now: $165.58 Add to Cart
DEI Boom Mat Damping Material - 12in x 12-1/2in (2mm) - 2.1 sq ft - 2 Sheets - 50200 MSRP: Was: Now: $24.52 Add to Cart
DEI 06-15 Mazda Miata NC Transmission Tunnel Heat Shield Kit - 10950 MSRP: Was: Now: $147.54 Add to Cart
DEI 17-22 Harley Davidson FLH/FLT/FLR Heat Shield Liner Kit - 901045 Increased riding comfort while maintaining the stock look. Heat from the exhaust system can become uncomfortable, especially riding in slow traffic. This issue really comes into focus for those with... MSRP: Was: Now: $75.32 Add to Cart
DEI Exhaust Heat Shield Liner HD FLH/T/R - 901026 Increased riding comfort while maintaining the stock look. Heat from the exhaust system can become uncomfortable, especially riding in slow traffic. This issue really comes into focus for those with... MSRP: Was: Now: $75.32 Add to Cart
DEI Exhaust Heat Shield Liner HD FLH/T/R - 901025 Increased riding comfort while maintaining the stock look. Heat from the exhaust system can become uncomfortable, especially riding in slow traffic. This issue really comes into focus for those with... MSRP: Was: Now: $75.32
DEI Speaker Baffles 6in x 9in Oval Slim Pair - 50381 Boom Mat Speaker Baffles solve the problem of rattles and vibrations caused by speakers and protects the back of speakers from damage. Boom Mat Speaker Baffles maximize speaker performance by... MSRP: Was: Now: $15.05 Add to Cart
DEI Speaker Baffles 6in x 8in Oval Pair - 50370 Boom Mat Speaker Baffles solve the problem of rattles and vibrations caused by speakers and protects the back of speakers from damage. Boom Mat Speaker Baffles maximize speaker performance by... MSRP: Was: Now: $14.39 Add to Cart
DEI Speaker Baffles 6-1/2in Round Slim Pair - 50331 Boom Mat Speaker Baffles solve the problem of rattles and vibrations caused by speakers and protects the back of speakers from damage. Boom Mat Speaker Baffles maximize speaker performance by... MSRP: Was: Now: $12.24 Add to Cart
DEI Speaker Baffles 5.25in Round 6.5in Wide 6.5 Height 2.5in Deep Pair - 50321 Boom Mat Speaker Baffles solve the problem of rattles and vibrations caused by speakers and protects the back of speakers from damage. Boom Mat Speaker Baffles maximize speaker performance by... MSRP: Was: Now: $11.83 Add to Cart
DEI Speaker Baffles 5.25in Round 6.5in Wide 6.5 Height 4in Deep Pair - 50320 Boom Mat Speaker Baffles solve the problem of rattles and vibrations caused by speakers and protects the back of speakers from damage. Boom Mat Speaker Baffles maximize speaker performance by... MSRP: Was: Now: $11.83 Add to Cart
DEI Speaker Baffles 4in Round Slim Pair - 50311 Boom Mat Speaker Baffles solve the problem of rattles and vibrations caused by speakers and protects the back of speakers from damage. Boom Mat Speaker Baffles maximize speaker performance by... MSRP: Was: Now: $11.24 Add to Cart
DEI Boom Mat Spray-On - 18 oz Can (Aerosol) - 50220 Boom Mat Spray-On sound deadening is perfect for reducing unwanted road noise and deadening vibrations in those hard to reach places such as trunk interiors, fender wells, undercarriage, body panels,... MSRP: Was: Now: $15.71 Add to Cart
DEI Boom Mat Damping Material - 12-1/2in x 24in (2mm) - 20.8 sq ft - 10 Sheets - 50210 Boom Mat Damping Material solves the problem of noise, vibrations, squeaks and rattles that come from roads, stereos, engines & more. Boom Mat Vibration Damping Material is a premium quality damping... MSRP: Was: Now: $165.58 Add to Cart
DEI Boom Mat Damping Material - 12in x 12-1/2in (2mm) - 2.1 sq ft - 2 Sheets - 50200 Boom Mat Damping Material solves the problem of noise, vibrations, squeaks and rattles that come from roads, stereos, engines & more. Boom Mat Vibration Damping Material is a premium quality damping... MSRP: Was: Now: $24.52 Add to Cart
DEI Radiator Relief Chill Charger - 16 oz. - 40208 Design Engineering is leading the way with the most advanced thermal acoustic kits for vehicle specific applications. Using our proven Under Carpet Lite we offer an effective and affordable solution... MSRP: Was: Now: $9.97 Add to Cart
DEI Radiator Relief Heater Hotter - 16 oz. - 40206 Line sleeving is great protection for wires, lines, cables & hoses. But inserting them into the sleeving can be frustrating and time consuming. DEIs line sleeve tool is designed to keep sleeving open... MSRP: Was: Now: $9.97 Add to Cart
DEI Radiator Relief Diesels - 16 oz. - 40204 Line sleeving is great protection for wires, lines, cables & hoses. But inserting them into the sleeving can be frustrating and time consuming. DEIs line sleeve tool is designed to keep sleeving open... MSRP: Was: Now: $9.97 Add to Cart
DEI Radiator Relief Flush - 16 oz. - 40202 DEI Hoodliner Insulation Kits are custom cut kits made from our Black Under Hood(TM) material. It controls engine heat and noise that is often a problem with today's modified vehicles packed with... MSRP: Was: Now: $9.97 Add to Cart
DEI Radiator Relief 16 oz. - 40200 Radiator Relief(TM) solves the problem of high engine temps by reducing coolant temperatures up to 30 degrees. Radiator Relief is an excellent method of treating cooling systems as a preventive step... MSRP: Was: Now: $9.97 Add to Cart
DEI Radiator Relief 32 oz. - 40104 Radiator Relief(TM) solves the problem of high engine temps by reducing coolant temperatures up to 30 degrees. Radiator Relief is an excellent method of treating cooling systems as a preventive step... MSRP: Was: Now: $23.98 Add to Cart
DEI Heel Protector - 11015 When racing, the floor, firewall, and transmission tunnel can get unbearably hot. You can get uncomfortable and even get burned. DEI Heel Protector solves this with an insulated, easy on/easy off... MSRP: Was: Now: $76.10 Add to Cart
DEI 06-15 Mazda Miata NC Transmission Tunnel Heat Shield Kit - 10950 The Miata Transmission Tunnel Heat Shield Kit solves the problem of hot interiors in NC Miata's. Direct replacement for the factory heat shield that can get damaged or even missing. The transmission... MSRP: Was: Now: $147.54 Add to Cart
DEI Heat Shroud Gold 2in to 2.5in x 36in - 10924 Heat Shroud GOLD(TM) solves the problem of heat and abrasions causing failure of lines, hoses and wires without the need to disconnect them. High temperature metalized polyimide lamination, bonded to... MSRP: Was: Now: $91.21 Add to Cart
DEI Heat Screen GOLD 24in x 24in - Non-Adhesive - 10919 Heat Screen GOLD(TM) solves the problem of heat from engines and exhaust intruding into interiors and components. Manufactured from our high temperature metalized polyimide lamination, bonded to a... MSRP: Was: Now: $106.44 Add to Cart
DEI Heat Shroud GOLD 2-1/4in x 36in - 10918 Heat Sheath GOLD(TM) solves the problem of heat and abrasions causing failure of lines, hoses & wires. DEI Heat Sheath GOLD is manufactured from our high temperature metalized polyimide lamination,... MSRP: Was: Now: $87.08 Add to Cart
DEI Heat Screen GOLD 36in x 40in - Non-Adhesive - 10913 Heat Shroud(TM) solves the problem of heat and abrasions causing failure of lines, hoses and wires without the need to disconnect them. Heat Shroud is made from a high temperature rated glass fiber... MSRP: Was: Now: $262.76 Add to Cart