Nationwide Toll Free: 1-866-229-3402 or Local: 519-455-1550

BLUEBIRD EXHAUST SYSTEMS – BB 33

ALL-AMERICAN 8.3 CUMMINS REAR ENGINE ENDING CSN 991135

2000-up Bluebird B-Series All-American Pusher buses with the 5.9 ISB rear engine - 300SCPF Clamps

Turbo Connection Pipe (Part# BP83T4)

Upgrade your Bluebird exhaust system with confidence. The Turbo Connection Pipe (Part #: BP83T4, Bluebird #: 15322225) is engineered for a perfect fit on All-American 8.3 Cummins rear engine applications ending CSN 991135. Built to withstand high temperatures and heavy-duty performance demands, this pipe ensures optimal flow and long-lasting reliability. UNITED MUFFLER Corporation delivers precision-engineered parts backed by expert support and fast shipping.

PART:

BP83T4

Bluebird:

15322225

Bellows Pipe (Part# SSB40012)

Need a reliable replacement for your Bluebird exhaust system? The Bellows Pipe (Part #: SSB40012, Bluebird #: 1124767) is built to handle the demanding conditions of All-American 8.3 Cummins rear engine models ending CSN 991135. Designed for flexibility and durability, this component absorbs engine vibrations and thermal expansion, reducing stress on your exhaust system. Manufactured to meet exact specifications, it’s a smart choice for long-term performance and dependability.

PART:

SSB40012

Bluebird:

1124767

Bellows Pipe (Part# SSB40012)
Muffler Inlet Pipe (Part# BP83MIN99)

Muffler Inlet Pipe (Part# BP83MIN4)

Keep your Bluebird exhaust system performing at its best. The Muffler Inlet Pipe (Part #: BP83MIN4, Bluebird #: 1532258) is precision-built for All-American 8.3 Cummins rear engine models ending CSN 991135. Engineered for a seamless fit and maximum durability, this inlet pipe ensures proper exhaust flow into the muffler, reducing backpressure and improving overall efficiency. Whether you’re replacing a worn component or upgrading for reliability, UNITED MUFFLER Corporation delivers the quality and support you need.

PART:

BP83MIN4

Bluebird:

1532258

Non-Catalytic Muffler (10 x 15 Oval) (Part# BP400500RV)

Boost your exhaust system’s performance with a dependable solution. The Non-Catalytic Muffler (10 x 15 Oval) — Part #: BP400500RV, Bluebird #: 1575836 — is designed specifically for All-American 8.3 Cummins rear engine models ending CSN 991135. Engineered to deliver quiet operation and long-lasting durability, this direct-fit muffler reduces noise without restricting airflow, making it ideal for demanding fleet applications. Built to OEM specifications for easy installation, it’s a cost-effective, high-quality replacement you can trust.

PART:

BP400500RV

Bluebird:

1575836

Muffler (Part# BP400500RV99)
Tailpipe (Part# BPMOU5NC)

Tailpipe (Part# BPMOU5NC)

Complete your Bluebird exhaust system with a tail pipe built for performance. The 5″ Tail Pipe (Part #: BPMOU5NC, Bluebird #: 1532217) is designed to fit All-American 8.3 Cummins rear engine buses ending CSN 991135. Built from durable materials and engineered for precise fitment, this tail pipe ensures efficient exhaust flow and reliable operation in even the toughest conditions. It’s a critical finishing component that maintains system integrity and directs emissions safely away from the vehicle.

PART:

BPMOU5NC

Bluebird:

1532217

Muffler Hanger(Part# BPMH29)

Secure your exhaust system with confidence. The Muffler Hanger (#BPMH29, OE #: 1692458) is specifically designed for All-American 8.3 Cummins rear engine models ending CSN 991135. This heavy-duty hanger provides stable support for your muffler, reducing stress on the entire exhaust assembly and preventing premature wear or failure. Engineered to match OEM specifications, it offers a perfect fit and easy installation for long-lasting durability.

PART:

BPMH29

OE #:

1692458

Muffler Hanger(Part# BPMH29)
DESCRIPTION 1
Turbo Connection Pipe
2
Bellows Pipe
3
Muffler Inlet Pipe
4
Muffler
5
Tail Pipe
Part # BP83T4 SSB40012 BP83MIN4 BP400500RV BPMOU5NC
Bluebird # 15322225 1124767 1532258 1575836 1532217

Clamps

Clamps

Flat Clamp

Ensure a tight, secure seal with quality you can trust. The Flat Clamp options for All-American 8.3 Cummins rear engine models ending CSN 991135—400SC (4”) and 500SC (5”)—are built for strength and long-lasting performance. Designed to deliver consistent pressure and hold exhaust components firmly in place, these clamps reduce vibration and prevent leaks, even under heavy-duty conditions. Manufactured to match OEM fit and finish, they make installation fast and dependable.

Description

CLAMPS

A-4″

B-5″

PART:

FLAT

400SC

500SC

Pre-formed Clamps

Lock in leak-free performance with precision-fit clamps. The Pre-formed Clamps for All-American 8.3 Cummins rear engine models ending CSN 991135—400SCPF (4”) and 500SCPF (5”)—are engineered for a snug, uniform fit around exhaust joints. Their contoured shape ensures even pressure distribution, reducing the risk of exhaust leaks and minimizing vibration-related wear. Built for durability and ease of installation, these clamps provide a professional-grade solution for maintaining system integrity.

Description

CLAMPS

A-4″

B-5″

PART:

Pre-formed

400SCPF

500SCPF

U-bolt Clamps

Reinforce your exhaust system with rugged reliability. The U-bolt Clamps for All-American 8.3 Cummins rear engine models ending CSN 991135—U-400 (4”) and U-500 (5”)—offer a time-tested solution for securing pipes and preventing separation under pressure. Built from heavy-duty materials, these clamps deliver exceptional holding power and resist loosening from vibration or heat expansion. Whether you’re maintaining a fleet or replacing a single unit, these clamps ensure lasting stability where it counts.

Description

CLAMPS

A-4″

B-5″

PART:

U-bolt

U-400

U-500