Pypes-performance-exhaust SME11S User Manual download pdf

SME11S

409 stainless steel header/cross-member back exhaust system for

1970-1974 Barracuda E-bodies

SME11S: 2-1/2” System w/ x-pipe

1. Begin by placing the vehicle on a lift or four jack stands at maximum

height to aid in an easier installation. To help ease the installation, pre-t all the

components into a complete system on your garage oor, using the diagram

provided.

2. First, remove the existing exhaust system from the headers or the ex

haust manifolds back. You can also remove any hanger mounted to the frame as

your new kit includes new hangers.

3. Now it’s time to install your new components. You will be starting from

the back of the car and working your way forward. Begin by installing the new

tailpipes. Temporarily hang the tails over the rear axle. These tailpipes are de-

signed to mount in the factory rubber tail pipe hanger. If they are not present you

can utilize the universal rubber strap style hangers provided. Slide the mufers

onto the tailpipes placing a support under them. You will be clamping a hanger

to the back of the mufer neck and attaching it to the under body of the car. In

some applications, your factory hangers may be used.

4. Next, install the x-pipe. This is where trimming of the front legs may be

required for the optimum t. Install the xed rear legged “X” onto the mufers

rst. Your center “X” should be positioned approx 8-12 inches behind the tail

shaft of your transmission and centered under the driveshaft. Also, the center

plate in the “X” has an arrow stamp which must point forward. Next, slide the

front legs into the x-pipe. They should end somewhere close to the humps in

your transmission cross-member. These may need to be trimmed to t the width

of your headers or optional down-pipes. Narrowing width will require trimming to

leg as it slides into the center “X”. Be extra careful when measuring and cutting.

A helpful tip: Line up the front legs under the center “X” to mark your cut lines

making sure to line them up with you headers or down pipes. Finish the system

by connecting the front legs of the x-pipe to the headers (collector reducers)

utilizing the two 1ft connection pipes. Trimming the length may be required. If

down pipes are used, make sure they end close to the rear side of the transmis-

sion cross member. If they are too long they must be trimmed. Some header

applications require custom collectors due to the header not ending square and

parallel in the car. For proper system t, you collectors must run parallel with

your rocker panels.

5. Finish the system by making all your nal adjustments to position the

x-pipe, mufers and tailpipes. Now tighten all the clamps (Warning: tightened

clamps will leave marks in the tubing, making removal or adjustments extremely

difcult) or for the best t weld all the slip joints. The 409 stainless steel system

can be welded with your standard mig welder, and is highly recommended when

possible.

6. Note: This kit requires the use of PYPES tip number EVT87 and EVT86,

or one similar to exit properly through the valance cutouts.

Now it’s time to re up that muscle car and enjoy your

new Pypes Performance Exhaust.

Pypes Performance Exhaust

2880 Bergey Road Unit O Hateld, PA 19440

800-421-3890 (voice) 215-712-9968 (fax)

www.pypesexhaust.com

(A) Collector

Extensions

(B) X-pipe Assembly

(D) Tailpipes

(E) EVT87 Tips

(optional)

(A)

(B)

(C)

(D)

(C)

(D)

Thanks again for purchasing your new 409 Stainless Steel Pypes Perfor-

mance Exhaust header/cross-member back system. Please be sure to

conrm all the components in the kit were received in your shipment before

beginning installation. These kits will include (1) X-pipe kit, (2) Street Pro

Mufers, (2) tailpipes, (2) collector extensions, (2) mufer hangers, (2) tailpipe

hangers, (8) clamps, and (1) bonus pack. If you nd any component miss-

ing, please contact our ofce at 800-421-3890 for replacement. Installation

of this kit will require some simple hand tools; box wrenches, deep sockets w/

ratchet, extension, a saws-all and some penetrating lubricant. For a quicker

and tighter installation, air tools are recommended. Fully welding the system

is always recommended when possible. Technical assistance is available

both online at www.pypesexhaust.com or 800-421-3890. Also our online

Installation Gallery is a great assistant during your installation,

www.pypesexhaust.com/pictures.html .

(E) (E)

<------- EVT87 ------->

Pypes Performance Exhaust 1

Summary of Contents

Page 1 - Pypes Performance Exhaust

SME11S409 stainless steel header/cross-member back exhaust system for 1970-1974 Barracuda E-bodies SME11S: 2-1/2” System w/ x-pipe 1. Begin by pla

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