JBA 40-2630 User Manual

INSTALLATION INSTRUCTIONS

**Installation recommendation:

40-2630

2005 Mustang 4.0L V6 Dual exit exhaust system

Parts List: A. Y-pipe 1 B. P/S Over axle pipe 1 C. D/S Over axle pipe 1 D. D/S Muffler/Tip assembly 1 E. P/S Muffler/Tip assembly 1 F. Rubber isolator 4 G. Muffler hanger 2 H. 2-1/2" clamps 4 I. Self-tapping screws 4

Note: This exhaust system is designed to work with a GT rear valance, or a V-6 bumper trimmed to match a GT.

JBA recommends in most cases that the vehicle be taken to a reputable exhaust shop.

RECOMMENDED TOOLS: pry bar ratchet 15mm deep socket 9/16 deep socket channel lock pliers anti-seize spray lubricant or penetrating oil

7. Slide the JBA muffler/tip assemblies (D) and (E) hangers into the rubber isolators on each side. Be sure to get the rod into both isolator’s on the new hangers.

Start:

1. Remove and inventory the JBA Exhaust System.

2. Disconnect the negative battery cable and allow the exhaust system to completely cool.

3. Loosen the clamps attaching the exhaust to the catalytic converter assembly. Slide the clamp back to separate the two.

4. Loosen the clamp connecting the exhaust pipe to the muffler. Wiggle the exhaust pipe free from the muffler. Remove the exhaust pipe from car.

8. Install the new over axle pipes (B) and (C), slip a 2-1/2" clamp (H) onto each pipe, then insert into muffler/tip assemblies (D) and (E). Slip two ring clamps onto the Y-pipe (A), and insert the Y-pipe into the over axle pipes (B) and (C).

11. Using a soft cloth, wipe the new JBA tips clean.

12. Reconnect the battery and start the vehicle to check for leaks.

NOTES:

1.) All exhaust systems expand about 1" rearward when exhaust temperature rises.

To get more power out of your Mustang, JBA offers easy to install 50 state smog legal performance headers and ignition wires for the 4.0L V6. For more information about these and other quality performance products from JBA visit us online at www.jbaheaders.com

JBA Cat4ward® Headers

Part No. 1617S

JBA Powercables™

Part No. 06759

5. Using pliers or a pry bar, slide the rubber hanger from the hanger rod at inside, front of muffler (a little lube helps). Slide the muffler assembly forward and remove from slip hangers.

9. Using the factory clamp, attach the Ypipe (A) to the converter assembly. Adjust to be flat to the ground, and tight to the converter assembly. Tighten securely.

6. Bolt the supplied hanger brackets (G) to the frame on the drivers side using the supplied self tapping screws (I). Bolt the brackets in place with the factory holes. Prongs on the bracket need to face forward. Then slide two rubber isolators (F) onto each hanger so holes align.

We recommend taking the vehicle to a muffler shop and having all slip connections tack welded.

10. With the axle pipes (B) and (C) in the muffler assemblies (D) and (E) adjust mufflers to be flat, and the tips an equal distance from the bumper cover, Then tighten all clamps securely.

6/06/07