Description
Exhaust System - S-Type II - Cat-Back - 2.5 in Diameter - Dual Center Exit - Quad 4.25 in Polished Tips - Stainless - Natural - GM LS-Series - Chevy Corvette 1997-2004 - Kit
ExhstSysKt
BORLA(r) has once again set the pace in the Corvette performance exhaust world. This 2.5" diameter into the mufflers with dual 2" out Cat-Back(tm) system features the S-Type II systems which uses the latest muffler design to eliminate sound frequencies often associate with resonance or drone. The system features dual 4.25" x 3.5" oval polished T-304 stainless steel tips on each side. BORLA(r) Cat-Back(tm) & Axle-Back exhaust systems feature patented straight-through and multi-core technology to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive BORLA(r) Sound of Power respected by motoring enthusiasts everywhere. The S-Type II systems use an advanced muffler design to eliminate sound frequencies are often associated with resonance or drone. Each system is built from premium, high-quality T-304 austenitic stainless steel, superior to T-400 series knockoffs (such as 409), to give you the absolute best in performance and durability. Ultra-smooth mandrel bends ensure maximum flow & power, and precision computer numeric control (CNC) manufacturing ensures an accurate fit. Best of all, BORLA(r) stands behind every system with a Million-Mile Warranty. Just what you'd expect from the world's most experienced (and most winning) exhaust brand.
Additional Information
S-Type II Cat-Back(tm) Exhaust System For 1997-2004 Chevrolet Corvette (C5/ C5 Z06) 5.7L V8 Automatic/ Manual Transmission Rear Wheel Drive Coupe/ Convertible.
Application Summary
1997-2004 Chevrolet Corvette (C5)/ Corvette Z06 (C5) 5.7L V8 Automatic/ Manual Transmission Rear Wheel Drive Coupe/ Convertible
Part Type
Exhaust System Kit
Product Overview
The S-Type II systems use the latest muffler design to eliminate sound frequencies often associate with resonance or drone. System features polished T-304 stainless steel tips. Borla Cat-Back & Axle-Back exhaust systems feature patented straight-through and multi-core technology to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive Borla Sound of Power respected by motoring enthusiasts everywhere. The S-Type II systems use the latest muffler design to eliminate sound frequencies are often associated with resonance or drone. Each system is built from premium, high-quality T-304 austenitic stainless steel, superior to T-400 series knockoffs (such as 409), to give you the absolute best in performance and durability. Ultra-smooth mandrel bends ensure maximum flow & power, and precision computer-controlled CNC manufacturing ensures an accurate fit. Best of all, Borla stands behind every system with a Million-Mile Warranty. Just what you'd expect from the world's most experienced (and most winning) exhaust brand.
| Additional Application Notes | |
|---|---|
| • T-304 Stainless Steel Single2.5in.IntoMufflerExitingDual2in.Out; Incl.Connecting Pipes/Mufflers/Hdw/4.25in.x3.5in.x6.75in. Dual Oval Rolled Angle-Cut Tip; Split Rear Exit; Single2.5in. Into Muffler Dual 2in. Out; Incl. Conn. Pipes/Mufflers/Hdw/4.25in.x3.5in.x6.75in. Dual Oval Rolled Angle-Cut Tip; Split Rear Exit;50 State Legal / California Emissions Compliant | |
These additional application notes are supplied by the manufacturer and collated from multiple year ranges. Not all of these notes may apply to every year or every variant. Please contact a StreetFX agent for clarification if required.
Data: v2 - Desc: v4.2 - Upd: 2026-11-07 17:21:43
Features
Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.
Specifications
Product Details
| Construction: | All Welded |
| Description: | S-Type II; Cat-Backâ„¢ System |
| Exhaust Type: | Cat-Back(tm) System |
| Exit Position: | Dual Split Rear |
| Exit Style: | Dual Split Rear Exit |
| Grade Type: | Performance |
| Inlet Inside Diameter: | 2.500 in. |
| Inlet Size (in.): | 2.5 |
| Material: | T-304 Stainless Steel |
| Muffler Type: | Straight-Through |
| Off Road Use Only: | No |
| Outlet Outside Diameter: | 2.500 in. |
| Outlet Size (in.): | 2.5 |
| Part Number: | bor140427 |
| System Type: | Cat Back |
| Tail Pipe Diameter: | 2.500 in. |
| Tail Pipe Material: | Stainless Steel |
| Tip / Outlet Finish: | Polished T-304 Stainless Steel |
| Tip Diameter: | 4.250 in. |
| Tip Size: | 4.25in |
| Title Extended: | C5 Corvette/ C5 Corvette Z06 1997-2004 Cat-Back(tm) Exhaust System S-Type II Part # 140427 |
| Title: | 1997-2004 Chevrolet Corvette/ Corvette Z06 C5 Cat-Back(tm) Exhaust System S-Type II |
| Tubing Diameter: | 2.500 in. |
Reference Information
| Reference Data (Provide these details to our support team) | |
|---|---|
| Brand Name/s | Borla, Borla Exhaust |
| StreetFX SKU | bor140427 |
| SFX Item ID | 4224850 |
| Accounting SKU | bor-140427 |
| Manufacturer SKU | 140427 |
| Manufacturer UPC | 808422904278 |
| Alternative References | 140427, BOR-140427 |
Exhaust System, Cat-Back, Stainless Steel, Polished Tips, Chevy, 5.7L, Kit
Borla S-type cat-back exhaust systems feature patented straight-through and multi-core technology to unleash hidden horsepower and produce a more aggressive sound and higher flow. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive Borla Sound of Power respected by motoring enthusiasts everywhere.
Each system is built from premium 300-Series austenitic stainless steel, superior to T-400 Series knockoffs (such as 409), to give you the absolute best in performance and durability. Ultra-smooth mandrel bends ensure maximum flow and power, and precision computer-controlled CNC manufacturing ensures an accurate fit. It's just what you'd expect from the world's most experienced (and most winning) exhaust brand.
| Product Attributes | |
|---|---|
| UPC | 808422904278 |
| Brand | Borla |
| Notes | S-Type II system. |
| Tip Cut | Slant |
| Quantity | Sold as a kit. |
| Part Type | Exhaust Systems |
| Tip Shape | Oval |
| Tip Finish | Polished |
| Exhaust Type | Dual |
| Product Line | Borla S-Type Cat-Back Exhaust Systems |
| System Style | Cat-back |
| Tip Included | Yes |
| Tip Material | 304 stainless steel |
| Tip Quantity | 2 |
| Exit Location | Rear center |
| Muffler Style | Turbo |
| System Finish | Natural |
| Inlet Quantity | 2 |
| Muffler Finish | Natural |
| Tip Edge Style | Rolled edge |
| System Material | 304 stainless steel |
| Muffler Included | Yes |
| Muffler Material | 304 stainless steel |
| Muffler Quantity | Two |
| Hardware Included | Yes |
| Special Attention | It is illegal to install parts or components that bypass, defeat, or render inoperative the manufacturers’ technology and design necessary to reduce vehicle emissions to meet state and federal Clean Air Act standards. |
| Muffler Configuration | Single inlet/Single outlet |
| Tip Outlet Size (in.) | 4.25 x 3.50 |
| Tailpipe Diameter (in.) | 2.00 in. |
| Manufacturer's Part Number | 140427 |
| Catalytic Converter(s) Included | No |
| Intermediate Pipe Diameter (in.) | 2.50 in. |
Brochures
Compatibility
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