DEI All-In-One Thermal & Acoustic Interior Kit - Small/Medium Vehicles - 50500 MSRP: Was: Now: $353.96 Add to Cart
DEI All-In-One Thermal & Acoustic Interior Kit - Full Size Vehicles - 50499 MSRP: Was: Now: $556.99 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 Under Carpet Lite Sound Absorption & Insulation - 70in x 24in - 50110 MSRP: Was: Now: $55.20 Add to Cart
DEI 06-15 Mazda Miata NC Transmission Tunnel Heat Shield Kit - 10950 MSRP: Was: Now: $147.54 Add to Cart
DEI All-In-One Thermal & Acoustic Interior Kit - Small/Medium Vehicles - 50500 Take the guesswork out of thermal and acoustic controlÂ… with this all-in-one part number! Introducing a simple and cost-effective, universal-fit, sound deadening and thermal insulation kit. Each kit... MSRP: Was: Now: $353.96 Add to Cart
DEI All-In-One Thermal & Acoustic Interior Kit - Full Size Vehicles - 50499 Take the guesswork out of thermal and acoustic controlÂ… with this all-in-one part number! Introducing a simple and cost-effective, universal-fit, sound deadening and thermal insulation kit. Each kit... MSRP: Was: Now: $556.99 Add to Cart
DEI D-Mat Insulation - 60in x 70in - 50411 D-Mat solves the need for a lightweight heat barrier and insulation for headliners, doors, trunks, rear bulk heads & more. Advanced Thermal-Acoustic insulation designed for under head liners, doors,... MSRP: Was: Now: $69.07 Add to Cart
DEI D-Mat Insulation - 60in x 40in - 50410 D-Mat solves the need for a lightweight heat barrier and insulation for headliners, doors, trunks, rear bulk heads & more. Advanced Thermal-Acoustic insulation designed for under head liners, doors,... MSRP: Was: Now: $39.88 Add to Cart
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 Tape 2in x 20ft Roll - 50215 Boom Mat tape solves the problem of noise, vibration and rattling from any surface, and seals leaky seams and holes. Boom Mat Tape is a multi-purpose sound deadening material for use anywhere to help... MSRP: Was: Now: $33.32 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 Leather Look Sound Barrier - 48in x 48in - 50121 Leather Look Sound Barrier is an ideal way to reduce noise and have a premium leather appearance. Available in a moisture resistant, black leather embossed wear surface features a 1 lb./ft. 2 loaded... MSRP: Was: Now: $9,999.00 Add to Cart
DEI Under Carpet Lite Sound Absorption & Insulation - 70in x 24in - 50110 Under Carpet Lite solves the problem of engine, exhaust and road heat soaking into interiors. Under Carpet Lite is a superior sound decoupling material for those hard to cover areas like door liners,... MSRP: Was: Now: $55.20 Add to Cart
DEI Under Capet - 24in x 54in - 50100 Boom Mat Undercarpet(TM) (TM) is a second layer sound deadening and insulation mat that will help you maintain a quality ride experience by preventing unwanted noise from being transferred into the... MSRP: Was: Now: $9,999.00 Add to Cart
DEI Radiator Relief Chill Charger - 16oz. - 40208 Chill Charger for water-to-air intercoolers maximizes thermal transfer to lower air intake temperatures while also protecting core corrosion, electrolysis and harmful mineral build up. By effectively... MSRP: Was: Now: $9.97 Add to Cart
DEI Radiator Relief Heater Hotter - 16oz. - 40206 Heater Hotter(TM) solves the problem of slow warm up times and waiting for your vehicle to thaw in winter months.Heater Hotter is specially formulated to accelerate the transfer of heat from the... MSRP: Was: Now: $9.97 Add to Cart
DEI Radiator Relief Flush - 16oz. - 40202 Radiator Relief(TM) Cooling System Flush is a concentrated cleansing agent that effectively removes rust and mineral deposits left behind in the radiator core and hose lines. This advanced treatment... MSRP: Was: Now: $9.97 Add to Cart
DEI Radiator Relief - 16oz. - 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 - 32oz. - 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