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Deal.ai › Compare

Supersprint Performance Exhaust vs Dinan Free Flow Axle-Back Exhaust

These are different kinds of product. The Supersprint is a modular, tunable system for BMW cars, sold section by section so you can pick catted or straight pipes, resonated or not, and a Sport, Race or F1 Race muffler. The Dinan is a single axle-back kit built for the F97/F98 X3M and X4M, with 76mm piping, TIG-welded 304 stainless and quad 4.5-inch tips. Buyers of both praise build quality and fitment; the Supersprint wins on tailoring sound, the Dinan on a simple bolt-on fit with documented gains.

  • Choose the Supersprint if you want to tune the exhaust note and flow section by section and your car is not a 2020-2025 X3M or X4M.
  • Choose the Dinan if you drive an F97 X3M or F98 X4M and want a bolt-on axle-back with quad tips and no California restriction.

Prices

  • Supersprint Performance Exhaust: $3,463.99 at Turner Motorsport (checked today)
  • Dinan Free Flow Axle-Back Exhaust: $2,349.95 at CARiD.com (last seen Nov 12)
  • Difference: the Dinan Free Flow Axle-Back Exhaust is $1,114.04 cheaper than the Supersprint Performance Exhaust at the latest prices (Nov 12 and Nov 14)
Supersprint
Supersprint Performance Exhaust

Supersprint Performance Exhaust

$3,463.99at Turner MotorsportChecked 1 h ago
See all prices and details
Visit Turner Motorsport
Pros
  • Sound and volume tailored by picking each section
  • Refined European tone that suits BMWs
  • High build quality and excellent fitment
  • Non-Race mufflers meet European noise laws
Cons
  • Not legal for California pollution-controlled vehicles
  • Many parts to choose, so ordering takes care
  • Race and F1 Race options are loud
Dinan
Dinan Free Flow Exhaust

Dinan Free Flow Axle-Back Exhaust

Dinan Free Flow Exhaust

$2,349.95at CARiD.comChecked Nov 12
See all prices and details
Visit CARiD.com
Pros
  • Bolt-on axle-back with mounting hardware included
  • Documented +8 HP and +6 ft-lb gain
  • TIG-welded 304 stainless with quad 4.5-inch tips
  • No California restriction stated
Cons
  • Fits only 2020-2025 X3M and X4M
  • One fixed sound level, no modular tuning
  • Axle-back only, so it leaves the rest of the system stock

What separates them

Supersprint Performance ExhaustDinan Free Flow Axle-Back Exhaust
System typeModular sections: front pipes, center pipes and muffler chosen separatelySingle axle-back kit, one part number
FitmentModel-specific applications across many BMWsSpecific to 2020-2025 X3M and X4M (F97/F98)
Sound tuningCatted, resonated or straight pipes plus Sport, Race or F1 Race mufflerOne fixed sound, louder and sportier than stock
PipingLarger-than-stock diameter for better flow76mm versus 70mm stock
ConstructionLong-lasting build, praised fitment304 brushed stainless, TIG welding, black ceramic or polished finish
TipsDepends on muffler chosenQuad 4.5-inch clamp-on, double-walled, laser engraved
Documented power gainFlow improvement claimed, no figure given+8 HP and +6 ft-lb at 6600 RPM
California useNot for sale or use on pollution-controlled vehicles in CaliforniaEmission Code 5, no California exclusion stated

Price history

$3,463.99$2,349.95
Oct 31Nov 14
  • Supersprint Performance Exhaust: lowest $2,807.98 on Oct 31 at Turner Motorsport; $3,463.99 on Nov 14.
  • Dinan Free Flow Axle-Back Exhaust: lowest $2,349.95 on Nov 12 at Dinan.

Prices at every store

Supersprint Performance Exhaust

  • Turner MotorsportNew

    In stock

    $3,463.99Free shippingChecked 1 h ago
    Visit Turner Motorsport
  • Turner MotorsportNew

    Availability unknown

    $2,807.98Checked Oct 31
    Visit Turner Motorsport
Prices and history →

Dinan Free Flow Axle-Back Exhaust

  • AutoZoneNew

    In stock

    $2,349.99+ $100.00 shippingChecked Nov 12
    Visit AutoZone
  • DinanNew

    In stock

    $2,349.95+ $270.00 shippingChecked Nov 12
    Visit Dinan
  • CARiD.comNew

    Availability unknown

    $2,349.95Checked Nov 12
    Visit CARiD.com
  • Summit RacingNew

    Availability unknown

    $2,349.95Checked Nov 12
    Visit Summit Racing
All 5 stores and price history →

Specs compared

SpecSupersprint Performance ExhaustDinan Free Flow Axle-Back Exhaust
Material Type—304 brushed stainless steel
Standards Compliance—Emission Code: 5
Length—54
Outlet Diameter—4.50 in (tip)
Diameter—76 mm (twin exhaust valves)
Weight—72
Sound Level—More volume
Component Type—Axle-Back Exhaust
Vehicle Make—BMW
Vehicle Model—X4M, X3M
Vehicle Year—2020-2025
Engine Type—V8 siblings (in regards to sound)
Show all 33 specsShow fewer specs
SpecSupersprint Performance ExhaustDinan Free Flow Axle-Back Exhaust
Exhaust System Type—Axle-Back
Chassis Code—F98, F97
Vehicle Type—SUV
Typical Users—UNISEX, ADULT
Hardware Included—Yes (mounting hardware)
Mounting Type—Bolt-on
Clamp Type—Clamp-on (exhaust tips)
Welding Type—TIG welding
Finish—Black ceramic coated, Polished
Inlet Type

What reviewers say

Supersprint Performance Exhaust

Owners praise the Supersprint system for its quality, fitment and refined European sound, and like that modular sections let them tune the tone. The main complaint is that it cannot be sold or used in California on pollution-controlled vehicles.

What people mention
  • SoundPraisedOwners describe a refined European tone that suits BMWs, with modular sections to change it.
  • Build qualityPraisedBuyers call the construction extremely high quality and long lasting.
  • FitmentPraisedOwners report excellent fitment on their cars.
  • ModularityPraisedSections can be added or removed to tailor the sound and flow.

Dinan Free Flow Axle-Back Exhaust

Owner feedback on the Dinan axle-back for the X3M/X4M centers on a deeper, louder tone and clean quad-tip looks. Most praise the fit and stainless build; some note added volume at cruise and modest power gains.

What people mention
  • SoundPraisedOwners describe a deeper, louder note than stock, especially under load.
  • DroneCriticisedSome report more cabin volume at steady highway speeds.
  • BuildPraised304 stainless and TIG welds are called out as solid quality.
  • FitPraisedBolt-on install and tip alignment are reported as clean.

Questions and answers

Which sounds better on a daily-driven BMW?
The Supersprint, because you can pick resonated pipes and a Sport muffler for a refined note. The Dinan is louder than stock with no tuning options.
Which fits my car?
The Dinan fits only the 2020-2025 X3M and X4M. The Supersprint covers many BMW models, so check the listing for your chassis.
Is the Dinan worth stepping up to over stock?
If you own an X3M or X4M and want a louder note, quad tips and a small documented power gain from a bolt-on part, yes.
Can I buy the Supersprint in California?
No. It is not for sale or use on pollution-controlled vehicles in California. The Dinan lists Emission Code 5 with no such exclusion.
Which is easier to install?
The Dinan. It is a clamp-on axle-back with hardware included. The Supersprint involves several sections that must be matched and fitted.
Does either add real power?
Dinan states +8 HP and +6 ft-lb at 6600 RPM. Supersprint claims better flow and more horsepower but gives no figure.

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More comparisons

  • Dinan Free Flow Exhaust vs aFe Silver Bullet Throttle Body Spacer
—
Dual (muffler)
Mount Type—Clamp-on (exhaust tips)
Automotive specialty part type—Exhaust
Compatible cars—2020-2021 BMW X3M, X4M
Vehicle fitment type—Specific
Brand—Dinan
Material—304 Brushed Stainless Steel
Color—Black
Items included—mounting hardware
Model—D660-0086-BLK
Count per pack—1
Has written warranty—No