Pypes Performance Exhaust HDR150S - Manual

HDR150S
304 Polished Stainless Steel 2010-14 Chevrolet Camaro LS3/L99 (6.2L)
HDR150S: 1-3/4” Primary tubes
Thanks again for purchasing your new 304 polished stainless steel Pypes Performance Exhaust (PPE) 2010-14 Camaro Headers.
Please be sure to confirm hardware, gaskets and instructions were included in the kit before beginning installation. If you find any
components missing or need technical assistance, please contact our office at 800-421-3890.
Work Safe: When supporting a vehicle on jack stands, be sure the ground surface is level and solid, hot asphalt will not support
jack stands. Double check your placement before sliding under the vehicle.
Note: Many factors may affect the installation: broken, worn or aftermarket motor mounts, aftermarket suspension components,
bent frame or chassis components from accidents, different engines or cylinder heads.
Attention: These items have a highly polished finished which can be marred or scratched during installation. If these products
need to be returned and are damaged in any way, you will be charged a 20% restock/polish fee.
Pypes Performance Exhaust
2705 Clemens Road Suite B103 Hatfield, PA 19440
800-421-3890 (voice) 267-638-3507 (fax)
www.pypesexhaust.com
Disclaimer: By installing any PPE products, you indicate that you have
read the following and agree to these terms:
The purchaser is responsible for following the instructions and safety
guidelines set by PPE.
PPE assumes no responsibility for any damages from improper
installation, abuse, lack of care or incompatibility with other manufacturers
products.
The purchaser is responsible for any damage to the products if
returned.
These products are manufactured using 304 polished stainless steel.
Exhaust heat will turn the finish to a bluish/gold color. This is normal and
not a cause for a warranty claim or return.
Warranty: PPE will repair or replace the product at no charge (See
enclosed warranty card). We are not responsible any labor charges or
shipping fees.
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HDR150S
Removal Of Exhaust Manifolds And Catalytic Converters:
Disconnect negative battery cable.
Remove spark plug wires
Remove spark plugs (optional)
Remove (15 mm) bolt holding dipstick tube to pass. side
cylinder head
Pull out dipstick tube and set aside (pay close attention to
where it is inserted into the block as it is a little tricky to get
back in)
Remove exhaust manifold to cylinder head bolts (13 mm)
(qty = 6 each side) set aside the bolts and gaskets as these
will be reused
Support vehicle on jack stands (approx. 2’)
Disconnect pre-cat 02 sensors from the harness behind both
cylinder heads
Loosen butt-connect clamps (2) 15 mm bolts
Remove driver and passenger exhaust manifold and
downpipe as a unit
Remove o2 sensors from both manifolds as these will be
reused
Install o2 sensor extensions
Grind off tab on cat-back to allow for butt -connect clamp to
slide completely over the cat-back
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Header Installation:
Slide headers into place. (Use baling wire or zip ties to hold
place)
Install header gaskets and (12) 13 mm bolts along with a
small amount of anti-seize. Torque to 18 ft/lbs.
Check header clearances to k-member, etc.
Re-install spark plugs and spark plug wires
Insert dipstick tube alone with the 15 mm bolt (it is easier if
the dipstick is not in the dipstick tube)
Install pre-cat o2 sensors and connect to o2 sensor
extensions (secure extensions away from headers to prevent
damage)
Slide butt-connect clamp over header and tighten.
After heat cycling (approximately 50-100 miles), let cool
down and check for loose bolts (re-torque as necessary)
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Requires Tools:
Torque wrench
13 mm, 15 mm, 15 mm deep well 3/8” sockets with ratchet
& 4” extension
13 mm wrench
7/8” open-end wrench
Zip-Ties or baling wire
Anti-seize
Automotive lift, or jack stands
Notes: Steering shaft removal is NOT necessary and will not
make installation easier.
** (2) - 24” O2 Extensions are required but not included **