The Granatelli 3.5-inch (89mm) Electronic Exhaust Cutout System provides the flexibility to switch between a quiet street exhaust and a wide-open racing profile at the touch of a button. This system is engineered to handle the high-heat environment of performance exhaust systems, utilizing a high-torque electric motor to actuate a precision-machined butterfly valve.

Designed for straightforward installation, this model features a slip-fit connection secured by a heavy-duty band clamp, offering a secure fit without the immediate necessity of custom welding for the joint. The stainless steel construction ensures long-term resistance to corrosion and road debris, maintaining reliable valve operation in demanding conditions.

• Size: 3.5-inch (89mm) diameter
• Material: High-grade stainless steel
• Installation: Slip-fit design with included band clamp
• Operation: Electronic motor-driven valve
• Manufacturer Part Number: 302535

Take total control over your vehicle's exhaust volume and flow with the Granatelli Motor Sports 3.0" (76 mm) Stainless Steel Electronic Dual Exhaust Cutout system. This dual-valve kit allows you to bypass your mufflers at the touch of a button, transitioning from a street-quiet profile to an aggressive, open-pipe sound for the track or off-road use.

Built for durability and heat resistance, this system is constructed from high-grade stainless steel. The slip-fit design combined with included heavy-duty band clamps allows for a secure installation on 3-inch exhaust piping, providing a reliable seal while maintaining the flexibility for custom positioning. The electronic actuators are designed for rapid response and repeatable performance under high-heat conditions.

• Bore Diameter: 3.0" (76 mm)
• System Configuration: Dual system for twin-pipe exhaust setups
• Material: Stainless Steel for superior corrosion resistance
• Installation: Slip-fit connection with heavy-duty band clamps
• Part Number: 302530K

The Granatelli 302530 Electronic Exhaust Cutout allows you to switch between a street-legal quiet exhaust note and wide-open performance at the touch of a button. Designed for universal application on 3.0-inch (76mm) exhaust systems, this cutout is built from high-grade stainless steel to resist corrosion and withstand the extreme heat of performance exhaust gases.

This system features a slip-fit design with an included heavy-duty band clamp, simplifying the installation process by providing a secure mechanical connection without the immediate need for welding. The high-torque DC gear motor ensures reliable butterfly valve operation, maintaining a leak-free seal when closed and providing unrestricted flow for maximum horsepower when open.

• Bore Diameter: 3.0 inches (76mm)
• Material: Corrosion-resistant stainless steel
• Installation Style: Slip-fit with included band clamp
• Operation: High-torque electronic butterfly valve
• Manufacturer Part Number: 302530

Fits 2020-2022 Chevrolet Corvette Stingray (6.2L).

The Granatelli Hi-Perf Coil-Near-Plug (C-N-P) Ignition Wire Connector Kit is engineered to maintain electrical integrity and consistent spark delivery for the GM LT2 6.2L V-8 engine. These connectors are built to withstand the intense thermal environment of the engine bay, utilizing high-temperature black silicone jacketing that resists heat soak and prevents electrical arcing. This kit provides a durable solution for enthusiasts looking to maintain or improve the ignition system on their C8 Corvette.

• Manufacturer Part Number: 28-8051HTB
• Compatible with LT2 6.2L V-8 engines
• High-temperature black silicone jacketing for maximum heat resistance
• Application-specific design for Coil-Near-Plug (C-N-P) systems
• Provides a secure connection between the ignition coil and spark plug

Fits 2018-2023 Ford cars, trucks, and SUVs equipped with the 5.0L Coyote 4V engine.

The Granatelli Street Fighter Coil-On-Plug Kit is engineered to deliver high-voltage spark for modern Coyote engines, providing a significant boost over factory ignition components. By maintaining a consistent 35,000-volt output, this kit ensures reliable ignition under heavy load and high-RPM conditions, helping to eliminate misfires and optimize combustion efficiency.

• Increased Voltage: Rated at 35,000 volts to improve spark energy and throttle response.
• Complete Ignition Refresh: Includes both the Street Fighter series coil packs and the specialized wire connector kit for a seamless installation.
• Direct-Fit Design: Specifically engineered for the 4-valve (4V) Coyote cylinder head configuration to ensure proper fitment and electrical contact.
• Engineered for Performance: Built to withstand the heat and vibration of high-performance street and track use.
• Manufacturer Part Number: 28-1818SF

Fits 2018-2023 Ford Mustang and F-150 models equipped with the 5.0L 4V Coyote engine.

The Granatelli Hot Street Series Coil-On-Plug Kit is engineered to provide a high-intensity spark for improved combustion efficiency and throttle response. This comprehensive kit includes both the high-output ignition coils and the specialized wire connector kit, ensuring a complete refresh of your Coyote engine's ignition system. By delivering up to 50,000 volts, these coils provide the energy necessary to prevent spark blowout under the high-load conditions typical of street and performance driving.

• Manufacturer Part Number: 28-1818HS
• Voltage Output: 50,000 Volts
• Series: Hot Street
• Configuration: Coil-on-plug with integrated wire connectors
• Fitment: Ford 5.0L 4V Coyote (2018-2023)
• Installation: Bolts directly to factory mounting locations

Fits select 2004-2017 Buick, Cadillac, Chevrolet, and Pontiac models (6.0L / 6.2L).

The Granatelli Hi-Perf Coil-Near-Plug Wire Connector Kit is engineered to provide a low-resistance path for ignition energy, ensuring maximum voltage reaches the spark plugs. This kit is a direct replacement for OE connectors on GM LS-based engines, featuring high-performance red wires that withstand the heat and demands of both stock and high-output applications. By maintaining a solid connection from the coil to the plug, these wires help prevent misfires and ensure consistent combustion across the LS2, LS3, LS7, and LSA engine families.

• Manufacturer Part Number: 28-1811S-R
• Configuration: Coil-Near-Plug (CNP)
• Wire Color: Red
• Compatible Engines: 6.0L and 6.2L LS-series V8s
• Direct-fit installation to factory mounting points
• Compatible with LS1, LS2, LS3, LS4, LS5, LS6, LS7, LS9, LSA, L92, L99, and L76 variants

Upgrade your ignition system with the Granatelli Hi-Perf Coil-Near-Plug Wire Connector Kit. Engineered specifically for GM LS-series engines, this kit replaces worn or restrictive factory connectors to ensure consistent voltage delivery. The distinctive yellow high-temperature silicone jacketing provides superior heat resistance in high-performance engine bays, protecting the electrical core from thermal degradation and voltage leaks.

Fits select 2004-2017 Buick, Cadillac, Chevrolet, GMC, and Pontiac models equipped with 6.0L or 6.2L engines, including LS2, LS3, LSA, LS7, and LS9 platforms.

• High-temperature silicone jacketing for maximum heat protection and durability
• Direct replacement for factory coil-near-plug connectors
• Engineered for high-performance LS2, LS3, LSA, LS7, and LS9 engine applications
• Ensures ignition integrity under extreme operating conditions
• Complete wire connector kit with high-visibility yellow finish
• Manufacturer Part Number: 28-1811HTY

Fits select 2004-2017 Buick, Cadillac, Chevrolet, GMC, and Pontiac models with LS2, LS3, LSA, LS7, and LS9 engines.

The Granatelli Motor Sports Zero Ohm ignition wire kit is engineered to maximize spark energy delivery by eliminating electrical resistance. Designed specifically for GM coil-near-plug applications, these wires replace restrictive factory leads to ensure a more efficient combustion cycle, supporting improved throttle response and overall engine efficiency. Each wire is built for extreme durability, featuring a high-temperature red jacket protected by a black sleeve to withstand harsh engine bay heat and prevent voltage leakage.

• Manufacturer Part Number: 28-1811HTRB
• Resistance: Zero Ohm (virtually no resistance)
• Configuration: Coil-Near-Plug connector kit
• Jacket Construction: Red high-temp jacket with Black outer sleeve
• Compatibility: GM LS-series engines (LS2, LS3, LSA, LS7, LS9)
• Installation: Replaces OE ignition wires at factory mounting points

Fits select 2004-2017 Buick, Cadillac, Chevrolet, GMC, and Pontiac models (6.0L / 6.2L).

The Granatelli High-Performance Coil-Near-Plug Wire Connector Kit (28-1811HTR) is engineered for enthusiasts demanding superior ignition reliability and heat management. Designed specifically for GM LS-series engines, including LS2, LS3, LSA, LS7, and LS9 variants, this kit ensures a secure, low-resistance connection between the ignition coil and the spark plug. Each connector features a high-temperature red silicone jacket, providing a thermal barrier that prevents arcing and insulation breakdown in high-heat engine bays.

• Specifically designed for GM high-performance coil-near-plug ignition systems
• Red high-temperature silicone jacketing for maximum thermal protection
• Fits LS2, LS3, LSA, LS7, and LS9 engine platforms
• Includes specialized connectors for 6.0L and 6.2L displacements
• Manufacturer Part Number: 28-1811HTR

Fits select 2005-2021 Cadillac, Chevrolet, GMC, and Hummer models (6.2L).

Protect your ignition system from extreme under-hood heat with the Granatelli Hi-Perf Coil-Near-Plug (C-N-P) Ignition Wire Connector Kit. These high-performance connectors are engineered to maintain spark integrity in high-temperature environments, making them an essential upgrade for engines where exhaust headers or compact engine bays increase thermal stress on factory components.

Each connector features a high-temp red silicone jacket for superior electrical insulation, further shielded by a durable black fire sleeve to prevent melting and signal degradation. This kit serves as a direct-fit replacement for worn or heat-damaged OE connectors, ensuring consistent ignition timing and power delivery for your 6.2L V8.

• Manufacturer Part Number: 28-1545HTRB
• Dual-layer protection: Red high-temp silicone jacket and black fire sleeve
• Designed for Coil-Near-Plug (C-N-P) ignition systems
• Direct fit for select GM 6.2L V8 applications
• Withstands extreme engine bay temperatures to prevent spark blowout

Fits select 2007-2021 Cadillac, Chevrolet, GMC, and Hummer models (6.2L).

The Granatelli Hi-Perf Coil-Near-Plug (C-N-P) Ignition Wire Connector Kit is engineered for high-performance GM 6.2L V8 applications. This kit features high-temperature red silicone jacketing designed to withstand extreme under-hood thermal environments while ensuring consistent spark delivery. These connectors replace worn factory wires, maintaining reliable electrical contact between the ignition coil and the spark plug for optimal combustion efficiency.

• High-performance Coil-Near-Plug (C-N-P) design
• Red high-temperature silicone jacketing for superior heat resistance
• Provides a secure connection to ensure maximum voltage delivery
• Direct-fit replacement for select GM LT1 and V8 platforms
• Manufacturer Part Number: 28-1545HTR

Fits select 2007-2021 Cadillac Escalade, Chevrolet Camaro, Corvette, Silverado, Suburban, Tahoe, GMC Sierra, Yukon, and Hummer H2 models (6.2L).

The Granatelli Hi-Perf Coil-Near-Plug (C-N-P) Ignition Wire Connector Kit is engineered to provide a durable, heat-resistant connection between your ignition coils and spark plugs. Designed to meet the demands of high-performance V8 engines, these connectors feature blue high-temperature silicone jacketing that provides superior thermal protection against the extreme heat cycles common in engine bays.

• Direct-fit replacement for factory coil-near-plug ignition wire connectors
• High-temperature silicone jacketing provides enhanced heat resistance over standard rubber
• Engineered for consistent spark delivery and ignition system reliability
• Distinctive blue finish for custom engine bay aesthetics
• Manufacturer Part Number: 28-1545HTBL

Fits select 2007-2021 Cadillac, Chevrolet, GMC, and Hummer models with the 6.2L V8 engine.

Ensure reliable spark delivery and maximum thermal protection with the Granatelli Hi-Perf Coil-Near-Plug (C-N-P) Ignition Wire Connector Kit. These high-performance connectors are engineered to withstand the extreme under-hood temperatures common in late-model GM V8 engines. Featuring heavy-duty silicone jacketing and integrated fire sleeves, this kit prevents heat soak and wire degradation, protecting your ignition system from performance-robbing misfires.

• High-temperature black silicone jacketing for superior electrical insulation.
• Integrated black fire sleeves provide an extra layer of protection against manifold and header heat.
• Specifically designed for modern Coil-Near-Plug (C-N-P) ignition systems.
• Replaces standard wires with a high-durability performance solution.
• Manufacturer Part Number: 28-1545HTBB

Fits select 2007-2021 Cadillac, Chevrolet, GMC, and Hummer models (6.2L).

The Granatelli Motor Works Hi-Perf Coil-Near-Plug (C-N-P) Ignition Wire Connector Kit is engineered to provide reliable conductivity and extreme thermal protection for late-model GM V8 engines. Designed as a performance-grade upgrade for your ignition system, this kit utilizes high-temperature black silicone jacketing to safeguard internal components against the intense radiant heat common in high-output engine bays.

• Direct fit for Coil-Near-Plug ignition systems on select GM 6.2L V8 engines.
• Black high-temperature silicone jacketing provides superior heat resistance and durability.
• Maintains maximum spark energy delivery to the spark plugs.
• Ideal for both factory replacements and high-performance builds.
• Manufacturer Part Number: 28-1545HTB

Fits select 2022-2026 Cadillac CT5 and Escalade, Chevrolet Camaro, Corvette, Silverado, and Tahoe, and GMC Sierra and Savana.

Granatelli Motor Sports Malevolent Ignition Coil Packs are engineered to replace worn or underperforming factory units with a high-output solution that ensures consistent spark energy. Designed for modern GM ignition systems, these coil-on-plug units deliver a stronger spark to improve throttle response, facilitate smoother idling, and eliminate common misfires under load. The increased energy output also contributes to better fuel efficiency and overall engine smoothness, making them an ideal upgrade for daily drivers and performance-built trucks or cars alike.

These coils feature a durable housing finished in a striking red to enhance the appearance of your engine bay while maintaining reliable performance under high-heat conditions. Installation is a direct bolt-on process using factory mounting points and electrical connectors.

• Stronger spark output for improved combustion and throttle response
• Helps reduce misfires and improves cold starting
• High-durability construction for long-term reliability
• Direct replacement for OE coil-on-plug components
• Striking red finish for a custom engine bay look
• Manufacturer Part Number: 28-0514-CPRM
• Quantity: Set of 8

Fits select 2022-2026 Cadillac, Chevrolet, and GMC vehicles, including CT5-V Blackwing, Escalade, Camaro, Corvette, Silverado, Sierra, Tahoe, and Suburban.

Upgrade your ignition system with the Granatelli Motor Sports Malevolent series ignition coils. These high-output coil-on-plug units are engineered to deliver a significantly stronger and more consistent spark energy compared to standard components. By ensuring a more complete combustion cycle, these coils help eliminate misfires under high-load conditions, sharpen throttle response, and contribute to smoother idle and improved fuel efficiency.

Designed for straightforward installation, these coils replace worn or underperforming factory units with a precision-fit design built for long-term durability in high-performance applications. The black finish provides a clean, understated look for your engine bay while delivering the voltage necessary for modern high-compression and forced-induction engines.

• Stronger spark output for improved ignition efficiency and throttle response
• Direct replacement for factory coil-on-plug units
• Reduces misfires and improves overall engine smoothness and starting
• High-quality internal windings for consistent energy delivery
• Black finish for a clean engine aesthetic
• Manufacturer Part Number: 28-0514-CPM
• Complete set of 8 coils

Fits select 2005-2018 Buick, Cadillac, Chevrolet, GMC, Hummer, and Pontiac vehicles equipped with LS-based engines (LS1, LS2, LS3, LS4, LS5, LS6, LS7, LS9, LSA, L92, L99, and L76).

Granatelli Malevolent Series ignition coils are designed to deliver a massive 85,000-volt (85KV) output, significantly exceeding factory coil performance. This increased voltage provides a hotter, more consistent spark, which is essential for ensuring complete combustion in high-performance applications. Whether you are running high boost, high compression, or simply looking to eliminate high-RPM misfires, these coils provide the energy needed to maximize efficiency and throttle response. These coils are a direct bolt-on replacement for the original equipment, requiring no modifications to the factory wiring harness or mounting brackets.

• Series: Malevolent Series
• Voltage Output: 85,000 Volts (85KV)
• Quantity: Set of 8
• Color: Red Body
• Manufacturer Part Number: 28-0513-CPRM
• Compatible Engine Platforms: LS1, LS2, LS3, LS4, LS5, LS6, LS7, LS9, LSA, L92, L99, L76
• Installation: Direct OE replacement, bolt-on fitment

Fits select 2005-2018 Buick, Cadillac, Chevrolet, GMC, Hummer, and Pontiac models equipped with LS-series engines (LS1, LS2, LS3, LS4, LS5, LS6, LS7, LS9, LSA, L92, L99, and L76).

Granatelli Street Fighter Series ignition coils are engineered to deliver a high-energy spark that exceeds factory performance standards. Rated at a powerful 60,000 volts (60KV), these coils provide a significant increase in spark energy over original equipment, helping to ensure complete combustion, smoother idling, and improved throttle response. These coils are a direct bolt-on replacement for the factory units, utilizing the original mounting points and electrical connectors for a straightforward installation.

• 60,000 Volt (60KV) output for maximum spark energy
• Direct replacement for factory GM LS-series ignition coils
• Durable black housing for a clean, stealthy engine bay appearance
• Designed to improve combustion efficiency and idle stability
• Complete set of 8 ignition coils included
• Manufacturer Part Number: 28-0512-CP