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2004 BMW 325xi Base Sedan
 
BMW Home > 2004 BMW 325xi Base Sedan > ExhaustPerformance Exhaust Upgrades 

Performance Exhaust Upgrades

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B&B Performance Exhaust

Billy Boat Performance Exhaust set out to provide outstanding performance increases with unparalleled hand craftsmanship and superior materials. This uniquely designed system is a direct bolt-on replacement for the factory exhaust requiring no modifications to the vehicle or product for installation.

Dinan Exhaust Systems

Dinan's Free Flow Exhaust improves exhaust flow by reducing back pressure, resulting in increased power output and a great sporty sound that is civilized when you want it to be and pleasantly aggressive under harder acceleration with zero drone when desired. 100% stainless steel construction and exacting specifications ensure that the system fits correctly using the factory hangers and will resist corrosion for years to come.
Labor Hours/Installation Hours1.50
Emission Status50 State Emissions Legal
Max HP Gain4 @ 6500 rpm
Max Torque Gain3 lb/ft @ 6500 rpm
Peak Horsepower195 @ 6000 rpm*
Peak Torque182 lb/ft @ 3500 rpm*
Included NotesIncluded Item Details
*Dyno results for the combination of Stage 2 Engine Software, Cold Air Intake and Free Flow Exhaust.

DOWNLOAD INSTALLATION INSTRUCTIONS HERE

Supersprint Resonators

All Supersprint resonators are of the flow through resonated design. This means each unit has no chambers or baffles to reduce velocity. Simply, a straight through in & out design! The internal components are 100% stainless steel with a high heat resistant rock wool sound suppressing material, not found in any other systems. This is the reason we can offer you sound legal performance exhaust systems. Tubing is always mandrel bent for maximum flow. Flanges and hangers are O.E. or better quality for a perfect fit every time. Housings are all manufactured from 1.5mm material that is M.I.G. welded at all seams. The stainless systems are 100% 304 stainless, the mild steel systems are aluminized on the inside and out, then black heat coated for corrosion prevention.

Supersprint Connecting Pipes

All Supersprint alternate connecting pipes are mandrel bent for maximum performance. The alternate pipe is designed to replace a resonator that is standard in that same position. This option will increase sound slightly and reduce overall system cost. The polished pipes are manufactured from 100% 304 stainless steel, while the black pipes are aluminized mild steel.

Supersprint Mufflers

All Supersprint mufflers are of the flow through resonated design. This means each unit has no chambers or baffles to reduce velocity. Simply, a straight through in & out design. The internal components are 100% stainless steel with a high heat resistant rock wool sound suppressing material, not found in any other systems. This is the reason we can offer you sound legal performance exhaust systems. Tubing is always mandrel bent for maximum flow. Flanges and hangers are O.E. or better quality for a perfect fit every time. Housings are all manufactured from 1.5mm material that is M.I.G. welded at all seams. The stainless systems are 100% 304 stainless, the mild steel systems are aluminized on the inside and out, then black heat coated for corrosion prevention. Supersprint offers the largest tip style choices in the world.


BMW Home  >  2004 BMW 325xi Base Sedan > Exhaust  >  Performance Exhaust Upgrades 

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Browse Performance Exhaust Upgrades for all 3-Series E46 (1999-2006) vehicles

Page last updated: Wed 12/13/2017 01:27:13 AM
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