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MASERATI GranTurismo Coupè 4.2i V8 (405 Hp) 2007->

aka: Performance sport exhaust for MASERATI GranTurismo Coupè

The Maserati GranTurismo Coupè is the perfect candidate for a Supersprint Performance exhaust.

We know this V8 engine very well, as it has been originated on the early version of the Ferrari California.

The guys at our R&D facility did a lot of work on these cars; always striving for the best results, they did not settle on getting a nicer sound only, but rather they  focused on squeezing the most performance out of this marvelous, high-revving N/A V8 engine.

Leaving the free-flowing, 4-into-1 Factory headers in place, we have redesigned the entire exhaust behind those, using Oversize diameter, stainless piping.

A set of high-volume HJS Motorsport cats, replacing the restrictive stockers, a new x-pipe mid section and a set of straight-through inner design, R&L mufflers, are exactly what the Maserati GranTurismo Coupè needs.

The final gains in mid rpm torque and peak horsepower are huge, the sound awesome.

Our exhaust installs directly, no modifications needed.

Nonetheless important, the Supersprint quad-tip design looks killer, beating the annoying, wide-mouth, flat-oval std. tips.
The look is the perfect match of sportiness and class, with rear exhaust available with quad pipes setups, two for each side (100 mm), perfectly integrated in the bumper line, for a sporty but still elegant result.
Claimed data:
Horsepower 405 Hp @ 6100 rpm
Torque 460 Nm @ 4750 rpm

Actual data:
Horsepower 383,9 Hp @ 6980 rpm
Torque 442,1 Nm @ 4830 rpm
Download pdf chart (617Kb)
- Front catalytic converter Right 450302
- Front catalytic converter Left 450322
- Centre exhaust + "X-Pipe" 450303
- Intermediate pipes kit Right- Left 450343
- Rear exhaust Right 450326
- Rear exhaust Left 450346

Actual data:
Horsepower 395,2 @ 6920 rpm
Torque 452 Nm @ 4760 rpm
Download pdf chart (626Kb)
Stock Vs Supersprint
Download pdf chart (424Kb)
With EEC homologation / Compliant to the EEC N°70/157 standard
Component E.E.C. homologation valid only when fitted to the specific Supersprint homologated rear exhaust
Compatible with the OEM catalytic converter
For racing use only
Discontinued Product. Available while stock lasts
Threaded bung for oxygen sensor provided
Oval endpipe
Twin oval endpipe
Flat oval endpipe
With certificate of authenticity - Compliance to sound regulations
With certificate of conformity for classic exhaust design - Internet Partner