BORLA 77015 Manuel utilisateur

TITLE: C7 Stingray Exhaust Diffuser

Installation Instructions

Exhaust Diffuser Installation

PN-77015

Thank you for purchasing a Borla Performance Exhaust Accessory.

Borla Performance Exhaust Diffuser (PN-77015) is designed specifically to attach to Borla Perfor-

mance Exhaust Systems for the Chevrolet Corvette C7 Stingray,V8 engine RWD, Manual or Automat-

ic Transmissions.

Borla Performance Exhaust Diffuser (PN-77015) is not designed to fit the OE exhaust system.

Borla Performance Industries recommends that an exhaust shop or professional after market parts installer perform the installation

of this system. However, if you decide to perform the installation on your own it is recommended that two people are used. This

installation should not be performed by one person due to the risk of injury. Ensure the installers use all under car safety precau-

tions including eye protection.

Please take time to read and understand the following…

By installing your Borla Performance Exhaust System, you indicate that you have read this document and you agree with the terms

stated below.

It is the responsibility of the purchaser to follow all installation instruction guidelines and safety procedures supplied with your

Borla Performance Exhaust System

Borla Performance Industries assumes no responsibility for damages occurring from misuse, abuse, improper installation, improp-

er operation, lack of responsible care, or all previously stated reasons resulting from incompatibility with other manufacturer’s

products and/or systems.

These instructions have been written to help you with the installation of your Borla Performance Exhaust System. Please

read this document completely before beginning the installation of your system.

Please compare the parts in the box with the bill of materials provided to assure that you have all the parts necessary for

this installation.

BORLA® Performance Industries is proud to offer a truly unique product to the

aftermarket Cat-Back™ industry we started over 30-years ago. Inspired by motor-

sports aerodynamics, BORLA® Performance now offers racecar-styling for your

BORLA® equipped street car. The BORLA® Exhaust Diffuser is both an aesthetic

and functional component adding a subtle, track-inspired look to your vehicle while

decreasing turbulence below your BORLA® exhaust at highway speeds.

This BORLA® Exhaust Diffuser is not an afterthought product. It is styled to com-

pliment your vehicle aesthetics, incorporating visual contours and multiple-fin ele-

ments for a subtle race-inspired look. This BORLA® Exhaust Diffuser is developed

concurrently with BORLA® products for proper static and dynamic thermal ventila-

tion, adequate vehicle ground clearance, and combined system weight savings over

your factory exhaust system.

TITLE: C7 Stingray Exhaust Diffuser

Installation Instructions

Minimum Required Tool List:

TOOLS:

1. 3/8” Drive Ratchet

2. 3/8” Drive 8” Extension

3. 10mm Deep Socket

4. 10mm Ratchet Box End Wrench

5. Protractor

SHOP SUPPLIES:

1Spray Lubricant

Borla Performance - Bill of Materials

Diffuser Assembly material is lightweight aluminum with a durable powder-coat finish.

The Diffuser Assembly can be color-customized by the customer.

NOTE: Borla recommends using a liquid thread-lock to all hardware bolts to minimize bolts becoming loose. Inspect hard-

ware periodically to prevent loose hardware that could lead to damage, M6 bolt torque value: 14-16 ft. lbs.

TITLE: C7 Stingray Exhaust Diffuser

Installation Instructions

Borla Performance Exhaust Diffuser Installation

1. Verify your Borla Rear-Section exhaust is properly installed before installation of your new Exhaust Diffuser.

2. Snap-in (4) Clip-On Nuts to FRONT and REAR Muffler Assembly Brackets (Assembly drawing). (See Figs. 1A & 1B)

3. Install (2) L-Brackets to FRONT Muffler Assemblies with LONG SIDE parallel to ground with supplied hardware (Assembly drawing

for proper orientation). NOTE: LIGHTLY TIGHTEN BOLTS ALLOWING BRACKET TO SLIDE (See Fig. 2A)

4. Install (2) L-Brackets to REAR Muffler Assemblies with SHORT SIDE parallel to ground with supplied hardware (Assembly drawing

for proper orientation). NOTE: LIGHTLY TIGHTEN BOLTS ALLOWING BRACKET TO SLIDE (See Fig. 2B)

Caution!!! Never work on a hot exhaust system. Serious injury in the form of burns can result If the vehicle has been in use and the exhaust system is hot, allow

vehicle to cool for at least 1 hour. Always wear eye protection when working under any vehicle.

Note: It is our recommendation that you use a hoist or hydraulic lift to facilitate the installation of your new Borla Performance System.

Taking all under car safety precautions, lift the vehicle using a hoist or hydraulic lift.

Note: Please compare the parts you have received with the bill of materials provided on the previous page to assure that you have all the parts necessary for the

installation of your new Borla Performance System.

Figure 1A Figure 1B

Figure 2A Figure 2B

Rear ValenceRear Sub-frame

Diffuser Assembly material is lightweight aluminum with a durable powder-coat finish.

The Diffuser Assembly can be color-customized by the customer.

NOTE: Borla recommends using a liquid thread-lock to all hardware bolts to minimize bolts becoming loose. Inspect hard-

ware periodically to prevent loose hardware that could lead to damage, M6 bolt torque value: 14-16 ft. lbs.

TITLE: C7 Stingray Exhaust Diffuser

Installation Instructions

Borla Performance Exhaust Diffuser Installation (cont’d)

5. Snap-In (4) Clip-On Nuts to installed L-Brackets as shown (Assembly drawing for proper orientation). (See Figs. 3A & 3B)

6. Carefully position Diffuser Assembly centering FRONT L-Brackets between upper and lower wings. (See Fig. 4A)

7. Slide Diffuser Assembly forward and gently bend REAR L-Brackets downward and insert then between upper and lower wings. (See

Fig. 4B)

8. Insert (4) Bolts & Washers through slots in Diffuser Assembly. NOTE: LIGHTLY TIGHTEN BOLTS ALLOWING EXHAUST

DIFFUSER ASSEMBLY TO SLIDE WITH U-NUTS.

9. Exhaust Diffuser Assembly should hang supported by hardware. Verify bolts are not too tight before continuing to align-

ment step.

(See Fig.

Figure 4B

Figure 3A Figure 3B

Rear Valence

Rear Sub-frame

Figure 4A

Figure 6

Figure 5

NOTE: Borla recommends using a liquid thread-lock to all hardware bolts to minimize bolts becoming loose. Inspect hard-

ware periodically to prevent loose hardware that could lead to damage, M6 bolt torque value: 14-16 ft. lbs.

TITLE: C7 Stingray Exhaust Diffuser

Installation Instructions

Borla Performance Exhaust Diffuser Installation (cont’d)

5. Beginning with Front L Brackets, position bracket approximately 1/4” from front edge. Lightly tighten corresponding front bolts to hold

front brackets in position. (See Figs. 7A & 7B).

6. Push Exhaust Diffuser Assembly forward creating a 3/4” gap to Left and Right sides from the OE rear valence as shown. Lightly tighten

corresponding front bolts to hold front brackets in position. (See Fig. 8)

7. Carefully position the strakes of the Diffuser Assembly no closer than 1/4” to the OE rear valence. Set the Diffuser Assembly angle 10-

degrees upwards towards the rear of vehicle. (See Fig. 9 and page 6 reference photos)

8. There may be variances in the installation of your exhaust system, vehicle hangars, etc. that will affect Diffuser Assembly alignment.

Tighten Front Bolts with 10mm ratchet box end-wrench and remaining (6) Bolts with a 10mm socket: 14-16 ft. lbs. (See Figs. 10 & 11)

Figure 7B

Position bracket 1/4” from edge

Figure 7A

Figure 9

3/4” gap

Figure 8

10 degrees

Figure 11

Figure 10

NOTE: Borla recommends using a liquid thread-lock to all hardware bolts to minimize bolts becoming loose. Inspect hard-

ware periodically to prevent loose hardware that could lead to damage, M6 bolt torque value: 14-16 ft. lbs.

TITLE: C7 Stingray Exhaust Diffuser

Installation Instructions

NOTE: Borla recommends using a liquid thread-lock to all hardware bolts to minimize bolts becoming loose. Inspect hard-

ware periodically to prevent loose hardware that could lead to damage, M6 bolt torque value: 14-16 ft. lbs.

Installation Reference Photos

*** NOTES ******

Diffuser Assembly front edge (closest to axle) final height position is approximately 3/4” higher than back edge.

Perimeter ventilation gaps are designed for material thermal expansion and heat evacuation.

Diffuser Assembly material is lightweight aluminum with a durable powder-coat finish.

The Diffuser Assembly can be color-customized by the customer.

Side View

Bottom View

Custom Color Shown

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