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Due to COVID-19 our physical shop is currently closed. You can still order online via delivery or Click & Collect. If you choose to C&C you will receive a phone call once your order is ready for collection.

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22 Aug 2014

OHP Launches New Products

New from Old Hall Performance following the success of the 50 Series race muffler, we are now introducing the 40 Series to our product lines. The Delta Force 40 series race mufflers utilize Flowmaster's patented Delta Flow technology and features excellent power characteristics with good sound reduction qualities.

Recommended for all racing applications where mufflers are required with a substantial decibel reduction over open headers. 

The 40 is a louder variant of the popular 50 Series and the recognised muffler of choice in America.

OHP have the 2.50" and 3.00" 40 Series muffler in stock now, starting from just £118.50 RRP with great trade discounts available.

✓ Durable fully welded 16 gauge stainless steel - two chamber race muffler

✓ Good decibel reduction over open headers

✓ No internal packing to blowout

✓ Race proven patented Delta Flow technology - designed for maximum horsepower and torque

✓ Premium Flowmaster quality


Product Attributes

Body Height (inches)


Body Length (inches)


Body Width (inches)




Inlet diameter (inches)


Inlet position



Stainless Steel

Muffler series

40 Series Delta Force®

Outlet diameter (inches)


Outlet position



Flowmaster® Case

Sound level

Aggressive Sound