• Conical design
• 5.91 in. wire length
• Includes butt type connectors, without plug
• Designed to fit screw-in type bungs

• Tested to ensure highest level of quality and reliability
• Helps reduce harmful emissions and extends catalyst life

Part Number	Brand	Price
USOS-4000	Replacement	$27.56

• 6.69 in. wire length
• Includes butt type connectors, without plug
• Designed to fit screw-in type bungs

• Tested to ensure highest level of quality and reliability
• Helps reduce harmful emissions and extends catalyst life

Part Number	Brand	Price
USOS-3000	Replacement	$36.43

• 6.3 in. wire length
• Includes butt type connector, without plug
• Designed to fit screw-in type bungs

• Tested to ensure highest level of quality and reliability
• Helps reduce harmful emissions and extends catalyst life

Part Number	Brand	Price
USOS-1000	Replacement	$19.91

Magnaflow Performance Exhaust System

Nothing performs better, looks better, or sounds better than Magnaflow Performance exhaust. Made from 100 percent tough and durable stainless steel, Magnaflow's Performance exhaust system series is also dyno tested and proven to increase horsepower and torque while its mandrel-bent tubing provides better exhaust flow for optimum performance.

Features:

• Delivers a smooth and deep exhaust tone
• 100% increase in horsepower

Notes:

• Weld-on attachment style

Part Number	Brand	Price
M6616392	Magnaflow	$538.67

• Cat-back exhaust system
• Single rear exit
• 2.25 in. main piping diameter
• 2.25 in. tail pipe diameter
• One muffler
• Single 3.5 in. stainless steel tip with round shape, angle cut, and non-rolled edge design

• Mandrel-bent tubing

• 49-state legal; Not for sale or use in California; Cannot be shipped to California addresses

Part Number	Brand	Price
F13819115	Flowmaster	$422.94

• Cat-back exhaust system
• Single rear exit
• 2.25 in. main piping diameter
• 2.25 in. tail pipe diameter
• One muffler
• Single 3.5 in. stainless steel tip with round shape, angle cut, and non-rolled edge design

• Mandrel-bent tubing

• 49-state legal; Not for sale or use in California; Cannot be shipped to California addresses

Part Number	Brand	Price
F13819115	Flowmaster	$422.94

• Cat-back exhaust system
• Single rear exit
• 2.25 in. main piping diameter
• 2.25 in. tail pipe diameter
• One muffler
• Single 3.5 in. stainless steel tip with round shape, angle cut, and non-rolled edge design

• Mandrel-bent tubing

• 49-state legal; Not for sale or use in California; Cannot be shipped to California addresses

Part Number	Brand	Price
F13819115	Flowmaster	$422.94

• 14 mm thread size
• 17.55 mm reach
• 16 mm hex size
• 1.1 mm gap
• Tapered seat style
• Interference suppression resistor
• Yttrium enhanced copper core center electrode
• Tapered V-profile nickel ground electrode
• Removable terminal nut
• Heat range 9

• Tapered V-profile nickel ground electrode provides improved starting in cold weather and increased fuel ignitibility
• Metal glass fused resistor allows for maximum interference suppression while the ribbed insulator design prevents misfires due to current leakage

Part Number	Brand	Price
BS7979	Bosch	$1.53

• 1.75 in. height, 9.38 in. inside diameter, 11.25 in. outside diameter
• Round style

• Provides 1 to 4 h.p.
• Washable and reusable

• Lasts up to 50,000-mile before cleaning is required depending on drive condition

Part Number	Brand	Price
K33E1280	K&N	$34.80

• Stainless steel mag winding, 100 percent pure silicone jacket, Kevlar reinforced core, EPDM inner insulation, snug-fitting OEM-style silicone boots, and snap lock or OEM style connectors
• Total resistance to oil penetration for lifetime protection against wire set failure
• Discontinues power-robbing voltage leaks
• Guarantees proper fit, function, and appearance while providing extreme durability for long life

Part Number	Brand	Price
BS09165	Bosch	$16.46

• 1.8 in. height, 9.38 in. inlet diameter, 11.27 in. outlet diameter
• Round style

Part Number	Brand	Price
FFCA3425	Fram	$7.01

• 4-wire
• 15.75 in. length

• Improves car's engine response and gas mileage
• Effectively lowers emissions upon replacing its tired old oxygen sensor
• Exceeds OE specifications and test requirements

Part Number	Brand	Price
25024301	Walker Products	$59.36

• 14 mm thread size
• 25 mm reach
• 0.63 in. hex size
• 0.04 in. gap size
• Tapered seat style
• Resistor plug type
• Tapered cut U-groove ground electrode
• Removable terminal
• Heat range 20

• Designed with heavy duty insulator that provides unparalleled dielectric strength and thermal conductivity under extreme temperatures
• Five-rib design prevents flashover while decreasing voltage loss
• Copper glass seal bonds the center electrode and insulator together for a gas-tight seal
• Platinum center electrode utilizes platinum to shrink the surface area of the center electrode tip for maximum firing performance and minimum voltage requirements
• Platinum ground electrode resists gas and electrical erosion and corrosion extending service intervals to 60,000 miles

Part Number	Brand	Price
NP5339	Denso	$10.17

• 14 mm thread size
• 25 mm reach
• 0.63 in. hex size
• 0.04 in. gap size
• Tapered seat style
• Resistor plug type
• 0.4 mm iridium center electrode
• Tapered cut U-groove ground electrode
• Removable terminal

• Designed with heavy duty insulator that provides unparalleled dielectric strength and thermal conductivity under extreme temperatures
• Five-rib design prevents flashover while decreasing voltage loss
• Copper glass seal bonds the center electrode and insulator together for a gas-tight seal
• Platinum center electrode utilizes platinum to shrink the surface area of the center electrode tip for maximum firing performance and minimum voltage requirements
• Platinum ground electrode resists gas and electrical erosion and corrosion extending service intervals to 60,000 miles

Part Number	Brand	Price
NPITV20	Denso	$12.68

• 14 mm thread size
• 18 mm reach
• 0.63 in. hex size
• 0.03 in. gap size
• Tapered seat style
• Resistor plug type
• U-groove ground electrodes
• Removable terminal
• Projected tip
• Heat range 20

• Designed with heavy duty insulator that provides unparalleled dielectric strength and thermal conductivity under extreme temperatures
• Copper glass seal bonds the center electrode and insulator together for a gas-tight seal
• Platinum center electrode utilizes platinum to shrink the surface area of the center electrode tip for maximum firing performance and minimum voltage requirements
• Platinum ground electrode resists gas and electrical erosion and corrosion extending service intervals to 60,000 miles

Part Number	Brand	Price
NP5032	Denso	$3.36

• 14 mm thread size
• 18 mm reach
• 0.63 in. hex size
• 0.04 in. gap size
• Tapered seat style
• Resistor plug type
• 0.4 mm iridium center electrode
• Tapered cut U-groove ground electrode
• Removable terminal
• Heat range 20

• Designed with heavy duty insulator that provides unparalleled dielectric strength and thermal conductivity under extreme temperatures
• Five-rib design prevents flashover while decreasing voltage loss
• Copper glass seal bonds the center electrode and insulator together for a gas-tight seal
• Platinum center electrode utilizes platinum to shrink the surface area of the center electrode tip for maximum firing performance and minimum voltage requirements
• Platinum ground electrode resists gas and electrical erosion and corrosion extending service intervals to 60,000 miles

Part Number	Brand	Price
NPIT20	Denso	$11.89

• 14 mm thread size
• 18 mm reach
• 0.63 in. hex size
• 0.03 in. gap size
• Tapered seat style
• Resistor plug type
• U-groove ground electrodes
• Removable terminal
• Projected tip
• Heat range 20

• Designed with heavy duty insulator that provides unparalleled dielectric strength and thermal conductivity under extreme temperatures
• Five-rib design prevents flashover while decreasing voltage loss
• Copper glass seal bonds the center electrode and insulator together for a gas-tight seal
• Platinum center electrode utilizes platinum to shrink the surface area of the center electrode tip for maximum firing performance and minimum voltage requirements
• Platinum ground electrode resists gas and electrical erosion and corrosion extending service intervals to 60,000 miles

Part Number	Brand	Price
NPT20EPRU	Denso	$2.99

• 14 mm thread size
• 18 mm reach
• 0.63 in. hex size
• 0.04 in. gap size
• Tapered seat style
• Resistor plug type
• Platinum alloy 1.1 mm fine wire center electrode
• Titanium enhanced 1.5 mm fine wire ground electrode
• Solid terminal nut
• Heat range 20

• Greatly improves mileage
• Provides more power and faster starts
• Reduce carbon emissions

Part Number	Brand	Price
NP4512	Denso	$7.64

• 14 mm thread size
• 18 mm reach
• 0.63 in. hex size
• 0.06 in. gap size
• Tapered seat style
• Resistor plug type
• U-groove ground electrodes
• Removable terminal
• Projected tip
• Heat range 20

• Designed with heavy duty insulator that provides unparalleled dielectric strength and thermal conductivity under extreme temperatures
• Five-rib design prevents flashover while decreasing voltage loss
• Copper glass seal bonds the center electrode and insulator together for a gas-tight seal
• Platinum center electrode utilizes platinum to shrink the surface area of the center electrode tip for maximum firing performance and minimum voltage requirements
• Platinum ground electrode resists gas and electrical erosion and corrosion extending service intervals to 60,000 miles

Part Number	Brand	Price
NPT20EPRU15	Denso	$2.37

• 14 mm thread size
• 18 mm reach
• 0.63 in. hex size
• 0.06 in. gap size
• Tapered seat style
• Resistor plug type
• U-groove ground electrodes
• Removable terminal
• Projected tip
• Heat range 20

• Designed with heavy duty insulator that provides unparalleled dielectric strength and thermal conductivity under extreme temperatures
• Copper glass seal bonds the center electrode and insulator together for a gas-tight seal
• Platinum center electrode utilizes platinum to shrink the surface area of the center electrode tip for maximum firing performance and minimum voltage requirements
• Platinum ground electrode resists gas and electrical erosion and corrosion extending service intervals to 60,000 miles

Part Number	Brand	Price
NP5033	Denso	$2.99

• 14 mm thread size
• 17.55 mm reach
• 16 mm hex size
• 0.06 in. gap size
• Tapered seat style
• Resistor plug type
• Projected tip
• Solid terminal nut
• Platinum tipped center electrode
• Trapezoid beveled cut ground electrode

• Extremely durable under high heat
• Trivalent metal plating offers superior anti-corrosion and anti-seizing properties

Part Number	Brand	Price
NG3403	NGK	$4.39

• 14 mm thread size
• 17.55 mm reach
• 16 mm hex size
• 0.06 in. gap size
• Tapered seat style
• Resistor plug type
• Removable terminal nut
• Projected tip
• Fine wire 0.6 mm iridium center electrode
• Tapered cut ground electrode

• Iridium alloy has extremely high melting point making it perfect for today's high-tech and high performance engines
• Fine Iridium tip that ensures high durability and a consistently stable spark
• Trivalent metal plating offers superior anti-corrosion and anti-seizing properties

Part Number	Brand	Price
NG7164	NGK	$9.46

• 14 mm thread size
• 17.55 mm reach
• 16 mm hex size
• 0.06 in. gap size
• Tapered seat style
• Resistor plug type
• Removable terminal nut
• Projected tip
• V-grooved centered electrode
• Heat range 5

• Increases ignitability even in lean burn conditions and lowers ignition system voltage requirements
• Increases fuel economy and lower emissions
• Trivalent metal plating has superior anti-corrosion and anti-seizing properties
• Highly durable against electrical and chemical wear

Part Number	Brand	Price
NG3951	NGK	$3.30

• 14 mm thread size
• 17.55 mm reach
• 16 mm hex size
• 0.04 in. gap size
• Tapered seat style
• Resistor plug type
• Solid terminal nut
• Projected tip
• Platinum tipped center electrode
• Trapezoid beveled cut ground electrode

• Extremely durable under high heat
• Trivalent metal plating offers superior anti-corrosion and anti-seizing properties

Part Number	Brand	Price
NG3186	NGK	$6.28

• 14 mm thread size
• 17.55 mm reach
• 16 mm hex size
• 0.04 in. gap size
• Tapered seat style
• Resistor plug type
• Solid terminal nut
• Projected tip
• Fine wire 0.6 mm iridium center electrode
• Tapered cut ground electrode

• Iridium alloy has extremely high melting point making it perfect for today's high-tech and high performance engines
• Fine Iridium tip that ensures high durability and a consistently stable spark
• Trivalent metal plating offers superior anti-corrosion and anti-seizing properties

Part Number	Brand	Price
NG7397	NGK	$7.35

• 14 mm thread size
• 17.55 mm reach
• 16 mm hex size
• 0.04 in. gap size
• Tapered seat style
• Resistor plug type
• Removable terminal nut
• Projected tip
• V-grooved centered electrode
• Heat range 5

• Increases ignitability even in lean burn conditions and lowers ignition system voltage requirements
• Increases fuel economy and lower emissions
• Trivalent metal plating has superior anti-corrosion and anti-seizing properties
• Highly durable against electrical and chemical wear

Part Number	Brand	Price
NG2238	NGK	$3.28

• 14 mm thread size
• 17.55 mm reach
• 16 mm hex size
• Tapered seat style
• Resistor plug type
• Solid terminal nut
• Special firing end construction
• Projected tip
• Iridium tipped fine wire center electrode
• Platinum tipped tapered cut ground electrode
• Heat range 5

• Ultimate evolution of spark plug technology and performance
• Reduces the voltage requirement for spark which allows for a brighter and stronger spark from the existing ignition system
• Iridium tipped fine wire center electrode is both stronger and harder than Platinum, while the Platinum tipped ground electrode further contributes toward the extreme longevity of the plug
• Special design firing end construction

Part Number	Brand	Price
NG6044	NGK	$16.45

• 14 mm thread size
• 17.55 mm reach
• 16 mm hex size
• Tapered seat style
• Resistor plug type
• Solid terminal nut
• Projected tip
• Fine point platinum center electrode
• Platinum tip laser welded on ground electrode
• One ground strap quantity
• Heat range 5

• Has the highest Platinum content in the industry, creating an extremely long life spark plug
• Stainless steel washer reduces plug self-backing
• Has Laser welded Platinum tip on center electrode and Platinum tip on the ground electrode
• Reduces the voltage needed to start combustion, resulting in better throttle response, improved efficiency, and smoother idle
• Offers a Laser welded projected Platinum tip on center electrode and the ground electrode
• Special design firing end construction

Part Number	Brand	Price
NG6579	NGK	$15.91

• 8 mm diameter

• Pre-cut wire to exact length with reinforcing member for added strength and terminal retention
• Passed tests covering everything from electrical properties to shrinkage to chemical resistance and accelerated life testing
• Identical OE end caps, carbon impregnated fiberglass core for superior conductivity, fiberglass braid for maximum strength, conductive silicone layer for high temperature performance, and EMI/RFI noise suppression

Part Number	Brand	Price
NP6714064	Denso	$17.03