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Kline Innovation Exhaust Ferrari 458 (2010-2015)

Price
$9,999.00

Select Material:

304 Stainless Steel
Currently Backordered - You can still place your order and we'll ship your order as soon as the product is back in stock!

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Installation Services

Don’t worry about the hassle — let our expert team at Forza Motorworks handle the installation for you. Our professional installation ensures everything fits and operates exactly as intended, giving you clean, factory-quality results, proper wiring or mounting, and avoiding the risks of DIY mistakes. You’ll save time, avoid frustration, and get peace of mind knowing the job is done right the first time. Contact us to learn about our installation services and enjoy a seamless upgrade from day one.

FAQ

Shipping Information
For items that are in stock, purchases made after 9am EST will be usually be shipped out in the next 1-2 business days. Please inquire to confirm lead times if you have specific time constraints. Orders will be sent via signature required at our discretion unless otherwise requested. 

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Cancellations / Returns

Original sales receipt or order number must accompany all return requests.

Forza Motor Works accepts returns for exchange, store credit, or refund within fourteen (14) calendar days of the delivery date, subject to the terms and conditions below. After fourteen (14) calendar days, all sales are final unless otherwise approved in writing by Forza Motor Works.

To be eligible for return, products must be in new, unused, unaltered, and resalable condition, including all original packaging, instructions, hardware, documentation, and accessories. Returned items must not show any signs of installation, use, wear, damage, modification, painting, coating, or alteration of any kind.

The following items are non-returnable and non-refundable:

• Special-order products
• Custom-built or made-to-order products
• Products manufactured to customer specifications
• Custom color or finish products
• Manufacturer-direct-shipped products designated as non-returnable
• Products with extended lead times, including but not limited to headers, exhaust systems, wheels, and other special-order performance products
• Any item specifically identified on the product page as non-returnable

Orders for special-order, custom-built, made-to-order, vehicle-specific, or manufacturer-direct-shipped products may not be canceled once the order has been submitted to the manufacturer.

If an item is received damaged during shipping or was shipped incorrectly by Forza Motor Works, Customer Support must be contacted within forty-eight (48) hours of delivery. Claims for shipping damage must include clear photographs of the product, packaging, shipping box, and shipping label at the time of unpacking.

Products determined by Forza Motor Works to have been incorrectly shipped may qualify for replacement, store credit, or refund at our sole discretion. Manufacturer defects are subject to the applicable manufacturer's warranty policies and procedures. Forza Motor Works does not provide any separate product warranty unless expressly stated in writing.

All returns must be authorized prior to shipment and must be assigned a Return Merchandise Authorization (RMA) number. The RMA number must be clearly displayed on the outside of the return package. Returns received without an authorized RMA number may be refused or denied credit.

To obtain a Return Merchandise Authorization (RMA), please contact:

Forza Motor Works
Email: info@forzamotorworks.com

All refunds, exchanges, and store credits are contingent upon inspection and approval of the returned merchandise. Forza Motor Works reserves the right to deny any return that does not comply with this policy.

Approved returns may be subject to a restocking fee of up to twenty five percent (25%) of the purchase price. Original shipping charges are non-refundable. Customer is responsible for all return shipping costs unless the return is the direct result of an error made by Forza Motor Works.

FITMENT, INSTALLATION & PRODUCT USE

Customer is responsible for verifying vehicle compatibility, fitment, and intended use prior to installation. While Forza Motor Works makes reasonable efforts to provide accurate product information and fitment guidance, final responsibility for compatibility rests solely with the customer.

Products that have been installed, test-fitted, modified, painted, coated, damaged, or otherwise used are not eligible for return.

Many aftermarket performance products are intended for off-road, racing, or competition use only and may not be legal for use on public roads in all jurisdictions. Customer is solely responsible for determining compliance with all applicable federal, state, and local laws and regulations.

LIMITATION OF LIABILITY

FORZA MOTOR WORKS SHALL NOT BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, PUNITIVE, OR CONSEQUENTIAL DAMAGES ARISING FROM THE PURCHASE, INSTALLATION, USE, MISUSE, FAILURE, OR INABILITY TO USE ANY PRODUCT SOLD BY FORZA MOTOR WORKS.

FORZA MOTOR WORKS SHALL NOT BE RESPONSIBLE FOR LOSS OF TIME, LOSS OF REVENUE, LOSS OF PROFITS, LOSS OF VEHICLE USE, TOWING CHARGES, RENTAL VEHICLE COSTS, STORAGE FEES, DIAGNOSTIC FEES, INSTALLATION COSTS, REMOVAL COSTS, ALIGNMENT CHARGES, TUNING FEES, SHIPPING EXPENSES, FINES, PENALTIES, PROPERTY DAMAGE, VEHICLE DAMAGE, OR ANY OTHER INCIDENTAL OR CONSEQUENTIAL LOSS OR EXPENSE.

TO THE MAXIMUM EXTENT PERMITTED BY LAW, FORZA MOTOR WORKS' TOTAL LIABILITY FOR ANY CLAIM ARISING FROM THE PURCHASE OR USE OF A PRODUCT SHALL NOT EXCEED THE AMOUNT PAID FOR THE SPECIFIC PRODUCT GIVING RISE TO THE CLAIM.

By placing an order with Forza Motor Works, the customer acknowledges and agrees to all terms and conditions contained herein, including all return, exchange, warranty, and limitation-of-liability provisions.

Product Description

Experience the full potential of your Ferrari 458's naturally aspirated V8 with the Kline Innovation Valvetronic Exhaust System. Engineered to deliver an unmistakable high-pitched Ferrari F1-inspired soundtrack, this premium exhaust combines advanced acoustic engineering, precision exhaust flow optimization, and lightweight construction.

The Ferrari 458 Italia and Spider are among Ferrari's most celebrated naturally aspirated V8 models. With a 4.5L flat-plane-crank engine capable of reaching 9,000 RPM, the 458 delivers an exhilarating driving experience. Kline developed its exhaust system to further enhance that character, producing a sharper, more exotic sound while maintaining controlled acoustics during everyday driving.

At the center of the system is Kline's signature tight-radius, laminar-flow X-pipe. Featuring a carefully engineered 63.5mm crossover section, this design helps balance exhaust pulses, improve exhaust gas scavenging, and create the high-frequency exhaust note that defines Kline's Ferrari systems.

Unlike conventional aftermarket exhausts that simply increase volume, Kline uses harmonically tuned silencers to shape the exhaust's acoustic characteristics. The system enhances both low-frequency depth and high-frequency clarity, creating a rich exhaust tone that becomes increasingly aggressive as engine speed rises.

The Valvetronic design provides two distinct exhaust characteristics.

With the valves closed, exhaust gases travel through an acoustically tuned silencer chamber with ceramic sound-absorbing material. This configuration reduces exhaust volume and unwanted cabin resonance, making the Ferrari more comfortable during cruising and light-throttle driving.

When the valves open under higher engine loads, exhaust gases follow a less restrictive flow path, allowing the 4.5L V8 to produce an aggressive, high-pitched soundtrack while supporting improved exhaust flow at elevated engine speeds.

The system operates using the Ferrari's original vacuum-actuated exhaust valve controls. For drivers who want additional control, Kline also offers its INCONEL BUTTON wireless valve controller, allowing manual valve operation when equipped.

Kline offers the exhaust in two premium material configurations.

Inconel 625 is the ultimate lightweight option. Originally developed for demanding aerospace and motorsport applications, this nickel-based superalloy offers exceptional high-temperature strength while allowing extremely thin-wall exhaust construction. Kline's Inconel 625 Valvetronic rear silencer section weighs just 6 kg (13.2 lb).

304 Stainless Steel provides the same core acoustic engineering in a durable, corrosion-resistant material at a more accessible price point. The stainless-steel Valvetronic rear silencer section weighs approximately 13 kg (28.7 lb).

For owners seeking a complete exhaust upgrade, Kline offers matching 100-cell HJS sport catalytic converters and catless replacement pipes.

The 100-cell HJS catalysts are designed to reduce exhaust restriction compared with the original catalytic converters while maintaining catalytic elements within the exhaust system. Kline uses 124mm catalyst bodies and dual 63.5mm connecting pipes to support efficient exhaust flow.

For dedicated competition applications, the optional catless configuration eliminates the catalytic converter substrates entirely, producing an even more aggressive exhaust note and reducing exhaust restriction.

Kline reports 14 horsepower and 26 Nm of torque improvement with its 100-cell catalytic converter configuration, increasing to 22 horsepower and 32 Nm with the catless configuration. These are manufacturer-published results for the corresponding exhaust configurations, not guaranteed gains from the rear silencer alone.

Weight reduction is another major advantage. Kline reports savings of 20.2 kg (44.5 lb) for the complete Inconel system with 100-cell catalysts and 24.4 kg (53.8 lb) for the Inconel catless configuration.

The result is an exhaust system that delivers a distinctive Ferrari soundtrack while reducing weight and improving the overall performance characteristics of the vehicle.

Whether selecting the premium Inconel 625 construction or the stainless-steel alternative, the Kline Innovation Ferrari 458 Valvetronic Exhaust is designed for enthusiasts who demand exceptional sound, advanced engineering, and uncompromising craftsmanship.

Fitment Notes

  • Fits Ferrari 458 Italia Coupe (2010–2015)

  • Fits Ferrari 458 Spider (2012–2015)

  • Engine: 4.5L Naturally Aspirated V8

  • Designed for the standard Ferrari 458 Italia and Spider exhaust configuration

  • Available in Inconel 625 or 304 stainless steel

  • Features vacuum-actuated exhaust valves

  • Designed to operate with the factory exhaust valve vacuum system

  • Optional Kline INCONEL BUTTON wireless valve controller available

  • Available with 100-cell HJS sport catalytic converters or catless replacement pipes

  • Catalytic converter replacement pipes are separate components and should be selected according to the desired configuration

  • Ferrari 458 Speciale and Speciale Aperta require Kline's separate Speciale exhaust application

  • Ferrari 458 Challenge requires Kline's dedicated Challenge exhaust application

  • Confirm the selected exhaust material, catalyst configuration, and included components before ordering

  • 100-cell racing catalysts are not automatically street legal or emissions compliant

  • Catless configurations are intended for off-road and closed-course competition use only

  • Professional installation recommended

Included

Valvetronic Rear Exhaust Configuration:

  • Kline Innovation Valvetronic rear exhaust assembly

  • Integrated harmonically tuned silencer

  • Kline tight-radius laminar-flow X-pipe

  • Vacuum-actuated exhaust valve assemblies

Available Configurations:

  • Inconel 625 construction

  • 304 stainless-steel construction

  • 100-cell HJS sport catalytic converter pipes

  • Catless replacement pipes

Product Specs

  • Manufacturer: Kline Innovation

  • Product Name: Ferrari 458 Valvetronic Exhaust System

  • Vehicle Application: Ferrari 458 Italia / Spider

  • Engine: 4.5L Naturally Aspirated V8

  • Exhaust Type: Valvetronic Performance Exhaust

  • Exhaust Valve Operation: Factory Vacuum Actuation

  • Optional Valve Controller: Kline INCONEL BUTTON

  • Material Options: Inconel 625 / 304 Stainless Steel

  • Rear Silencer Weight, Inconel: 6 kg (13.2 lb)

  • Rear Silencer Weight, Stainless Steel: 13 kg (28.7 lb)

  • X-Pipe Design: Tight-Radius Laminar-Flow

  • X-Pipe Diameter: 63.5mm

  • Catalyst / Catless Pipe Diameter: Dual 63.5mm

  • Valves-Open Flow Diameter: Dual 63.5mm

  • Valves-Closed Flow Diameter: Single 50mm

  • Sport Catalyst Option: 100 CPSI HJS

  • Sport Catalyst Body Diameter: 124mm

  • Inconel Catless Pipe Weight: 1.0 kg Each

  • Inconel Sport Catalyst Pipe Weight: 3.8 kg Each

  • Stainless Catless Pipe Weight: 3.0 kg Each

  • Stainless Sport Catalyst Pipe Weight: 4.5 kg Each

  • Advertised Power Gain, 100-Cell Configuration: +14 HP at 8,500 RPM

  • Advertised Torque Gain, 100-Cell Configuration: +26 Nm at 4,100 RPM

  • Advertised Power Gain, Catless Configuration: +22 HP at 8,500 RPM

  • Advertised Torque Gain, Catless Configuration: +32 Nm at 4,100 RPM

  • Advertised Weight Savings, Complete Inconel 100-Cell Configuration: 20.2 kg (44.5 lb)

  • Advertised Weight Savings, Complete Inconel Catless Configuration: 24.4 kg (53.8 lb)

Product Features

  • High-pitched Ferrari F1-inspired soundtrack enhances the naturally aspirated 4.5L V8 with a sharper, more aggressive exhaust tone.

  • Valvetronic exhaust operation provides a refined cruising sound with the valves closed and an aggressive performance soundtrack with the valves open.

  • Signature 63.5mm laminar-flow X-pipe improves exhaust pulse balance and helps produce Kline's distinctive high-frequency exhaust note.

  • Available Inconel 625 construction delivers exceptional heat resistance and ultra-lightweight performance, with the rear silencer weighing just 6 kg.

  • Optional 100-cell HJS catalysts or catless pipes allow customers to select the exhaust configuration appropriate for their intended application.

  • Manufacturer-tested performance improvements of up to 22 horsepower and 32 Nm of torque with the complete catless configuration, along with significant weight reduction.